are a number of arguments against having geography students write essays. data products over different land cover types was analysed in the context of spatial scale, sample spacing, and uncertainty. The most fundamental uses of "scale" in geography are the cartographic scale and the attribute scale. Assigning a particular scale of measurement depends on the numerical properties variable have, as discussed in the last article "Scales of Measurement". Year 7 map skills lesson. Movements of water in a drainage basin can be explained with the use of the hydrological cycle. [Computing Space VII] Searching for Magpie and Possum: Contemplating the Algorithmic Nature of Cartographic Space. There are three types of rocks: igneous, sedimentary and metamorphic. NET common language runtime (CLR) data type in SQL Server. Geography occupies a pivotal position in the understanding and interpretation of social, economic, political and environmental conditions and change, both spatial and temporal. Most maps are smaller than the reality they represent. There is no notation of the actual unit type used on a RF scale. In this activity, you will make two scale models of the solar system. ” Typically, they include a moderate or neutral midpoint. There are three main types of volcano - composite or strato, shield and dome. EPA research supports efforts under the Clean Water Act and Safe Drinking Water Act. Certain map projections, or ways of displaying the Earth in the most accurate ways by scale, are more well-known and used than other kinds. Some maps are so common that a child would recognize them, while others are used only by professionals in specialized fields. THREE TYPES OF SYMBOL 1. While small villages, streams and roads are not shown. Plus we have packed lots of Geography information and free teaching resources in this website to help make learning Geography fun. Statement of Scale : In this method, we express the scale in words, or we make a statement about it; such as one centimetre to one kilometre, or one inch to one metre etc. This website uses cookies to ensure you get the best experience. Each WRDSB website requires a separate subscription. Make sure you take notice of the shape of the map projection, what pieces are distorted, and what purpose the map could be used for. 2 Attribute Measurement Scales Print Chapter 2 focused upon measurement scales for spatial data, including map scale (expressed as a representative fraction), coordinate grids, and map projections (methods for transforming three dimensional to two dimensional measurement scales). This is merely a straight line whose length is in certain proportion to the actual length on the ground. Sedimentary Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. 5 in Mississippi, and 17. , transhumance), and rural to urban Major historical migrations Push and pull factors, and migration in relation to employment and quality of life. Kids learn about the types of electromagnetic waves in the science of physics including microwaves, infrared, ultraviolet, radio, x-rays, and gamma rays. For example if the scale of a map is 1 cm to a kilometer, that means 1 cm on the map is equivalent to 1 kilometer on actual ground. Types of statistical analysis methods to be used after data is acquired. Undergraduate Catalog 2016-2017. Check out the homework help section of the map. Farmers: 7 Different Types of Farms. To help organize space, geographers are concerned with asking three important questions about things in the world: • Where is it? • Why is it there?. SQL Server supplies a set of system data types that define all the types of data that can be used with SQL Server. For historical reasons, the networking industry refers to nearly every type of design as some kind of area network. Kaden Fitzgerald - October 14, 2019. The Importance of Scale Scale is a concept that is surprisingly simple, yet somewhat confusing. Types of Regions & Types of Scale. MySQL supports a number of SQL data types in several categories: numeric types, date and time types, string (character and byte) types, spatial types, and the JSON data type. This creates problems in measurement. In Hawaii, at the low end, it was 2. Companies can achieve economies of scale by increasing production and lowering costs. No Central Government: In part because of the geography of the area, there was no central government in ancient Greece. AP Human Geography Ch. Also, explanation of different types of economies of scale - external, risk-bearing, marketing, technical. ICSE Class 7 Geography Free Doubts and Solutions ICSE - VII - Geography Chemistry equation for class 7 ICSE pls answer as first as possible. Ratio scale definition at Dictionary. The most fundamental uses of “scale” in geography are the cartographic scale and the attribute scale. Ancient Greece, Geography. The tropical rainforest is an example of a very large ecosystem. The type of data that is required from the respondent - ratio, interval, ordinal or nominal. These are human geography, physical geography and environmental geography. Example sentences with the word geography. It is an all-round discipline that explains an understanding of the earth and its human, physical and environmental complexities. Fast Facts: Types of Maps Simply defined, maps are pictures of the Earth's surface. Ordnance Survey maps, the most common type of map in the UK, come in several scales. See more ideas about School, Social science and Teaching science. of Education Website. ! Your child might need some extra help learning about all of the states, their capitals,. Extra Questions of Class 12 Mineral and Energy Resources Geography. A map of this scale covers the same area of land as sixteen 1:50,000 scale maps. The Likert scale, which falls under our definition of a survey scale, is a 5 or 7-point scale that ranges from one extreme attitude to another, like “extremely likely” to “not at all likely. He has published articles on Elizabethan music, Shakespeare, Jonson, Australian literature, and other topics, co-produced a full-scale production of Ben Jonson’s Oberon, the Fairy Prince , and sits on the board of the Summer Shakespeare Trust at the University of Auckland. Inland it is generally cooler and wetter but usually hotter during the summer. The journal brings together leading contributions in the field and promotes interdisciplinary debates in international relations, political science, and other related. Rivers are shown as black or blue lines. Mapping Distance, use of six figure grid references, use of latitude and longitude, compass direction, bearings, scale, area calculation, location of natural and cultural features, determination of height, cross sections, use of a key, précis map construction, recognition of relationships, application of concepts, interpretation of other geographic maps. Students in the fifth grade have a big task ahead of them; they need to learn about all 50 states in the U. Types of Clouds by Erin Ryan 1. Using a scale you can quite accurately measure the distance between 2. A map is a picture of a place. Geography involves studies that are much broader than simply understanding the shape of the earth’s landforms. While small villages, streams and roads are not shown. Map, graphic representation, drawn to scale and usually on a flat surface, of features—for example, geographical, geological, or geopolitical—of an area of the Earth or of any other celestial body. The Industrial Revolution occurred when agrarian societies became more industrialized and urban. Fifth Grade Geography Worksheets and Printables. Thus physical geographers study how features in the landscape are formed over time (geomorphology), how fluvial systems develop, and the spatial distribution. Here are all the possible meanings and translations of the word human geography. A Likert scale is composed of a series of four or more Likert-type items that represent similar questions combined into a single composite score/variable. 5 Classification of Networks by Scale. These types of maps would typically be used in marine and aviation operations. Online Geography resources for teachers and students of KS3, GCSE / IGCSE, IB DP Geography and MYP Individuals and Societies. AP Human Geography Course and Exam Description This is the core document for the course. Weather Maps. Places are parts of the Earth's surface that are identified and given meaning by people. The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet. Many types of mnemonics exist and which type works best is limited only by the imagination of each individual learner. Since map literacy is not systematically included in the school curriculum, there are no definite and clear results referring to children's understanding of these basic map concepts. Geographers ask where things are located on the surface of the earth, why they are located where they are, how places differ from one another, and how people interact with the environment. Relation to Scale The Ecological Footprint is the closest empirical measure now available to estimate maximum sustainable scale (see Sustainable Scale). The coastal region of the Ecuadorian geography has extremely fertile plains, basins and breathtaking valleys. Brightside Mentoring - Bright Knowledge. A rock is a naturally formed, non-living earth material. Elliott Key, which is the northernmost of the true Florida Keys, is in Biscayne National Park. We can learn about a country's landforms, weather, population and almost anything simply by reading a map! In this quiz, you will identify the function of different map features. As it travelled through the Dhaka region of the country, more than 20 villages were destroyed and around 1,300 people were killed. Cinder cones. There are several biomes, you will focus on 3. Often when using cartographic materials it is useful to convert from one form of scale to another. The three main types of geography are physical, environmental and human geography. Some maps have been created to show features such as continents, countries, mountain ranges, cities, and streets. Use them as is or adapt them to best fit your classroom. Types of Coniferous Trees. Department of Communication Disorders. The cartographic scale (aka map scale) is the ratio between the size of objects in the real world and their representation on the map, making it a measure of proportionality in the most central idea of space, geographic space. Temporal scale deals with. - from Curriculum Framework. Reading Geography 3 Statement Agree or Reasons After Disagree Reading Anticipation Guide Human geography is the study of population patterns. However, representative fraction avoids the use of units in detailing the scale of a map. What parents should know; Myths vs. Often they work on a sliding scale of quality (like 1 to 5) to represent less good to good. Kaden Fitzgerald - October 14, 2019. A map scale is the size of an object compared to the size of the object's smaller representative on a map. F) 3-Graphical scale In above video, we. Small scale maps have a small RF. We will look at three types of map projections today: Mercator, Robinson, and Azimuthal Equidistant Projection. In Hawaii, at the low end, it was 2. Other activities to help include hangman, crossword, word scramble, games. Political Geography is the flagship journal of political geography and advances knowledge in all aspects of the geographical and spatial dimensions of politics and the political. These are human geography, physical geography and environmental geography. scale used by geographers in creating maps and how scale is used to foster understanding of commonly used scales such as local, regional, and global. Verbal Scale: This type of scale use simple words to describe a prominent surface feature. Become familiar with small and large scale maps. Above video explains the concept of simple scale in geography Basically, there are three types of scales- 1- Statement scale 2-Representative fraction (R. EARTH SCIENCES - TYPES OF MAPS TEACHER GUIDE MATERIALS: Electronic Reader - Maps 5 different types of maps (see lab) inflatable globes local topographical map WHAT IS A MAP? A map is a picture or representation of the Earth's surface, showing how things are related to each other by distance, direction, and size. Free practice questions for AP Human Geography - Density, Distribution, & Scale. Coastal (Surge Flood) A coastal flood, as the name suggests, occurs in areas that lie on the coast of a sea, ocean, or other large body of open water. We can relate map and ground with three different types of scale. Types of Map Scale in Geography There are several ways to depict scale and represent distances on maps. Globes are maps represented on the surface of a sphere. Group: Social Studies Social Studies Quizzes. “Environmental geography is the study of characteristic features of various components of the Environment, the interactions between and among the components in a geoecosystem in terms of ecosystem of varying spatial and temporal scales. 5 in Mississippi, and 17. This simple concept is complicated by the curvature of the Earth's surface, which forces scale to vary across a map. A verbal scale or word scale uses a word statement to explain the scale; for example, "1 inch equals 1 mile" means that 1 inch on the map will equal 1 mile in reality. While there are many different types of maps that exist within the discipline of cartography, there are six types that immediately come to my mind. Learn how bar scale, fractional scale and verbal scale are used to find real world distances from measurements on map. Map scale is often confused or interpreted incorrectly, perhaps because the smaller the map scale, the larger the reference number and vice versa. of Education Website. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. By using Sheppard Software's geography learning games, you will gain a permanant mental map of the world, its continents and geography. As stated above spherical bodies such as globes can represent size, shape, distance and directions of the Earth features with reasonable accuracy. 2 in Louisiana, 18. Using a variety of sources supports the process of geographic inquiry. This syllabus is designed to produce an A- level Geography graduand that can be a self-reliant and productive student with a clear understanding of. (ii) When a map is reduced or enlarged from the original, the scale does not remain the same. How many can you name? That's just one of over 6,000 geography trivia games that you'll find on JetPunk. Stats And Reports has added a new Global Drilling Services Market Study that scrutinizes current scenarios for future market size, market share, demand, growth, trends and forecasts. , dot distribution,choropleth, etc. This type uses a set of numbers that represents the object or a landmark. We measure development in Geography by using development indicators. They all form from the clouds which are raised about 8 to 16 kilometers (4 to 11 miles) above the ground in the earth’s troposphere. Types of War: Total War… Total War : conflict of unlimited scope in which a belligerent engages in a mobilization of all available resources at their disposable whether human, industrial, agricultural, military, natural, technological or otherwise, in order to entirely destroy of render beyond use their rivals capacity to continue resistance. GEOGRAPHYSKILLS:SCALE Created by tbonnar. A biome is a large geographical area of distinctive plant and animal groups, which are adapted to that particular environment. As an example on the left photo, the orange-shaded scale represents a 2/3 fractional scale. Map Projections. Kaden Fitzgerald - October 14, 2019. The Middle East is a large and diverse geographical area located in southwest Asia and northeast Africa. Clawson Public Schools Terms of Use. There are many different types of maps that have different uses. However, existing models that incorporate economies of agglomeration to explain industrial concentration have been providing a quite small set of empirically testable predictions. He has published articles on Elizabethan music, Shakespeare, Jonson, Australian literature, and other topics, co-produced a full-scale production of Ben Jonson’s Oberon, the Fairy Prince , and sits on the board of the Summer Shakespeare Trust at the University of Auckland. Water conflicts at a variety of scales – local, national, international. Differentiate between a small scale map and a large scale map. Assigning a particular scale of measurement depends on the numerical properties variable have, as discussed in the last article "Scales of Measurement". The Main Conceptions in Human Geography Johnston, in his book on human geography, identifies three types of approaches in this field: empirical, hermeneutic and. Scale is at the heart of geography and other spatial sciences. Globes are maps represented on the surface of a sphere. Rather, it is the outcome of a series of highly problematic temporary settlements that divide and connect things up into different kinds of. Some scales, such as temperature scales, have equal intervals; other scales, such as the Richter scale, are arranged as a geometric progression. 1 Agricultural systems Describe and identify the influence of inputs (natural and human) on the processes and outputs of each of the following agricultural systems: • a large-scale system of commercial farming; • small-scale subsistence farming. geography example sentences. Map Scale Scale drawings are often used in real life because they are very accurate, 4. Kasperson, Robert C. Make sure you take notice of the shape of the map projection, what pieces are distorted, and what purpose the map could be used for. Cylindrical A cylindrical projection is any projection in which the meridians are mapped to parallel spaced vertical lines and latitudes are mapped to horizontal lines. Free Kids Geography Quiz Questions. Acidic lava, such as rhyolite, is an example of this type of lava. ArcGIS Online | | | ArcGIS Online | | |. , transhumance), and rural to urban Major historical migrations Push and pull factors, and migration in relation to employment and quality of life. As stated above spherical bodies such as globes can represent size, shape, distance and directions of the Earth features with reasonable accuracy. The Geography of the Middle East. It means "to write and draw about the Earth". The most common types are the verti­cal photos where the camera points vertically downwards and the details of the area appear in plan as in the case of map. In the diagram, the fractional scale is 1:100000. Example, Basket weaving, pottery, and handicrafts. See if you can scale this mountain of a geography quiz and reach the peak!. During the map skills unit of work and later in your secondary school Geography career, it is a good idea to regularly check back here and try to keep your new found skills up to date. It looks at how people are spread across a country and around the world, where people settle, how people use the land, and where they work. The various landforms that we have, came into existence due to natural processes such as erosion, wind, rain, weather conditions such as ice, frost and chemical actions. In fact, all data analysis is broken down into four major measurement scales as described below. This is commonly done by opting for specific locations and types of. It is so important that if a network of lines and polygons does not carry a scale, we call it a "sketch". Become familiar with small and large scale maps. These are the different type of maps used in geography. Below we examine each system in turn and give ample attention to the attributes. Some of the most common types are political, physical, topographic, climate, economic, and thematic maps. You are not likely to find forests in polar tundra regions because of the harsh and cold conditions for survival. Geography provides meaning and context to statistical data. Geological Time Scale and Types of Weathering It is hard to comprehend the geological time scale, which is vast compared to the human one. com, where you'll find a variety of free printable geography worksheets for home and school use. They also examine political or cultural structures and study the physical and human geographic characteristics of regions ranging in scale from local to global. Verbal scale expresses in words a relationship between a map distance and a ground distance. Cylindrical A cylindrical projection is any projection in which the meridians are mapped to parallel spaced vertical lines and latitudes are mapped to horizontal lines. You can also check out lists of careers organized by other categories, such as type of position (seasonal, part-time, etc. scale or representative fraction, defined as the ratio of distance on the map to distance on the Earth's surface. There are two types of scales:. Most large-scale industrial farms are monoculture farms, meaning they grow only one type of crop at a time. Places are parts of the Earth's surface that are identified and given meaning by people. Map Scale Scale drawings are often used in real life because they are very accurate, 4. an orange peel) onto a flat surface without some stretching, tearing, or shearing. 4 Types of Scales Used in the Field of Measurement in Psychology Article shared by Measurements differ according to the degree of precision with which they measure a particular characteristic scales. The Middle East is a large and diverse geographical area located in southwest Asia and northeast Africa. “Environmental geography is the study of characteristic features of various components of the Environment, the interactions between and among the components in a geoecosystem in terms of ecosystem of varying spatial and temporal scales. Email this graph HTML Text To: You will be emailed a link to your saved graph project where you can make changes and print. The Mercalli Scale is a rather arbitrary set of definitions based upon what people in the area feel, and their observations of damage to buildings around them. the scale of a map is the ratio between distances on the map and corresponding distances in the real world ; if a map has a scale of 1:50,000, then 1 cm on the map equals 50,000 cm or 0. Biomes and climates are closely related. [Computing Space VII] Searching for Magpie and Possum: Contemplating the Algorithmic Nature of Cartographic Space. Types of Measurement Scales Operations applied to various variables from the Questionnaires in the SPSS depends on Scale assigned to the variables. In this article I follow Howitt (1998), who recognizes that in geography scale has been treated as possessing three facets: size, level and relation. Geographers ask where things are located on the surface of the earth, why they are located where they are, how places differ from one another, and how people interact with the environment. Become familiar with small and large scale maps. They provide a framework that geographers use to interpret and represent information about the world. Group: Social Studies Social Studies Quizzes. Rivers are shown as black or blue lines. The various landforms that we have, came into existence due to natural processes such as erosion, wind, rain, weather conditions such as ice, frost and chemical actions. Outline what you accept by the appellation justice, and alarmingly appraise how it has been chip into the acreage of ecology geography. 30, 2019 — Researchers used survey data from nearly 26,000 respondents in their analysis, which marks one of the most detailed investigations ever into the well-being effects of being. Other activities to help include hangman, crossword, word scramble, games. For example, scale that has a RF of 1:100 means that every one unit on the map equals one hundred of the same units on the ground. Geography Skills: Scale 1. Types of Diffusion-AP Human Geography Flashcard. " Each category is distinguished by the. 9 Geography Tuesday, April 19, 2011. This type represents data in a round-earth coordinate system. Another important criterion for classifying networks is their scale (physical size). Each economy has its strengths and weaknesses, its sub-economies and tendencies, and, of course, a troubled history. Polygon features are two dimensional and therefore can be used to measure the area and perimeter of a geographic feature. Looking for country statistics? NationMaster gives access to market sizing and trends across 300 industry verticals and a global coverage. The SQL Server geography data type stores ellipsoidal (round-earth) data, such as GPS latitude and longitude coordinates. One way is known as a “linear rating scale. Places are parts of the Earth's surface that are identified and given meaning by people. By Darcy Logan. Geography is a much broader field than many people realize. different scales are used in different countries ; in the US, 1:100,000 is the largest scale at which complete coverage of the continental states exists, but there is limited coverage at 1:62,500 and 1:24,000 ; in the UK, there is complete coverage at much larger scales (1:1,250 to 1:10,000) Map projections. (b) Directions and how to identify them - an illustrative diagram. While ocean currents themselves can have flow rates of hundreds or thousands of Sv per second, the total Sv flow for all the freshwater sources in the world is only equal to about 1 Sv: a demonstration of the massive scale of ocean currents compared to the flow of rivers. There is often manual labour noticed here. These fun geography worksheets can supplement what your child may already be learning in school or provide extended learning opportunities when used at home. Map scale, Map projection, Map type: Term. com This is a problem for communication. scale or representative fraction, defined as the ratio of distance on the map to distance on the Earth's surface. Draw a map of the block on a piece of cardboard, then cut up the cartons (or any other three-dimensional item) and use them to represent buildings. The scale of a map shows the relationship between the distances on the map with respect to actual distances on the Earth. A rock is a naturally formed, non-living earth material. Geography Exploration: An Introduction to Map Scale using Google Earth 1 To represent geographic features on a map, the features must be reduced in size. Geography provides meaning and context to statistical data. Stack Overflow’s annual Developer Survey is the largest and most comprehensive survey of people who code around the world. Jump to Content Jump to Main Navigation Jump to Main Navigation. Check out the homework help section of the map. You will learn the steps you need to take to enter a particular career field, what types of qualifications you will need (including required education, skills, and experience. Geography - key stages 1 and 2 2 Attainment targets By the end of each key stage, pupils are expected to know, apply and understand the matters, skills and processes specified in the relevant programme of study. A verbal scale or word scale uses a word statement to explain the scale; for example, "1 inch equals 1 mile" means that 1 inch on the map will equal 1 mile in reality. o when a scale is quoted for a digital database it is usually the scale of the map that formed the source of the data. You should understand the logic behind how these are used and how they should appear on real topographic maps. Linear Scale : This is also known as Graphical Scale or Plain Scale. When the water in our rivers, lakes, and oceans becomes polluted; it can endanger wildlife, make our drinking water unsafe, and threaten the waters where we swim and fish. Brightside Mentoring - Bright Knowledge. Two types of global environmental change Definitional and spatial-scale issues in their human dimensions B. Enter the scale fraction of your map; the default is 250,000, a terminal area chart. Animals can be found in mountain geographies, plains, forests, and even in. In most projections, scale varies with latitude, so on small scale maps, covering large areas and a wide range of latitudes, the linear scale must show the scale for the range of latitudes covered by the map. The most often expressed is that essay writing has no relevance for what geography graduates actually do in the ‘real’ world. Lost a graph? Click here to email you a list of your saved graphs. Informally, the distinguishing feature of a ratio scale is the possession of a non-arbitrary zero value. Biggest Island: Texel ( Frisian Islands). Converting Between Scale Types of Historic and Topographic Maps, page 1. Geography asks spatial questions—how and why things are distributed or arranged in particular ways on Earth's surface. Learn why the Common Core is important for your child. The Mercalli Scale is a rather arbitrary set of definitions based upon what people in the area feel, and their observations of damage to buildings around them. Differentiate between a small scale map and a large scale map. o The rows go from side to side. Scales in Geography: An Overview and Simple Method of Constructing Scales Posted on January 9, 2016 by Rashid Faridi The word scale is generally used for an instrument used for drawing straight lines. It is impossible to flatten any spherical surface (e. Look it up now!. Linear scales are also called bar scales or graphical scales. Two types of global environmental change Definitional and spatial-scale issues in their human dimensions B. The Geography of Greece Located in southern Europe, Greece is made up of the mainland and hundreds of small islands spread throughout the Ioanian, Aegean, and Mediterranean Seas. The scale is a simple ratio of map to ground measurement with a colon between the two measurements. (c) Scales of Verticals: Aerial photographs are some­times used for the map to get a detailed infor­mation about the natural and cultural features of an area. Microsoft is committed to driving innovation that helps people and organizations improve the environment. At this scale, features as small as a single home can be shown. I - Theory and Methods in Geography - Maria Sala ©Encyclopedia of Life Support Systems(EOLSS) Figure 2. Discover our Natural Landscape. Objectives. 8 in Alaska. (6) what does geography tell us about the past and how does it help us plan for the future. Kasperson, Robert C. com's offering. This essay was produced by one of our professional writers as a learning aid to help you with your studies. Abstract A linked set of simple equations specifically designed to calculate heat fluxes for the urban environment is presented. While some scholars see infrastructure diplomacy as dependent on bilateral relations, we argue that the type, location and scale of a project also affect its implementation. The eruptions from these volcanoes may be a pyroclastic flow rather than a flow of lava. Geography Reading Comprehensions: Critical Thinking Puzzle: Where in the World? Where in the world puzzle A picture of a place is given along with a description of. There are several different types of scales that are commonly used in geography. Geological Time Scale and Types of Weathering It is hard to comprehend the geological time scale, which is vast compared to the human one. The following are types of map scale representation. The word scale has a few different uses related to mapping. Linear Scale:. ratio or representative fraction (RF) - 1:100 000 or 1/100 000. There are several biomes, you will focus on 3. Geography Reading Comprehensions: Critical Thinking Puzzle: Where in the World? Where in the world puzzle A picture of a place is given along with a description of. Stevens coined the terms nominal , ordinal , interval , and ratio to describe a hierarchy of measurement scales used in psychophysics, and. Geography is the science of place and space. Socio economic and environmental impact assessment of community based small-scale irrigation in the Upper Awash Basin. Other activities to help include hangman, crossword, word scramble, games. Components of demand and energy mixes in contrasting settings. They provide a framework that geographers use to interpret and represent information about the world. A List of Different Types of Lizards With Facts and Pictures There are more than 5600 species of lizards found on Earth. Use these literature/teacher guides to review with students the different types of wildlife that live in various places around the world. What does the field of human geography focus on?. List different types (models) of diffusion and provide examples/illustrations of each in the realworld. Our writers come from a variety of professional backgrounds. For example, in a flat, grassy field you can assume that the environmental conditions do not change within the area so it doesn’t matter where within the area you take your samples from. From just north of the Equator to just south of the North Pole, this quiz covers North America's highs, lows and everything in between. Contagious Diffusion. This appears on the map as a ratio.