Exam 1: Physical Geography: Earth Environments and Systems

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An example of an absolute location is ____. ​

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Explain how natural regions can change in size or shape over time in response to environmental changes. ​

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Humans can modify the aspects of regions by, for example, shifting species abundance or altering habitats. A changing climate can also alter the spatial pattern of key conditions, so that shifts in ecosystem boundaries occur.

Which field focuses on the relationships between organisms and their environment?

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Because its various parts are always changing, an ecosystem can be described as ____.

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The art of making maps is called _______________. ​

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Asking what effect stricter chlorofluorocarbon (CFC)controls in North America will have on the future size of the ozone hole over Antarctica is one example of analyzing a spatial interaction.

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A model is a useful simplification of a more complex reality.

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"How do the grasslands of the North American Great Plains compare to the grasslands of Argentina?" is a question about ____. ​

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In most natural systems, "equilibrium" generally means that ____. ​

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An undesirable or unhealthy contamination in an environment is called _______________. ​

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Using an example, explain the advantage of applying a spatial science perspective to understanding or solving a physical geography-related problem. ​

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The _______________ layer in the upper atmosphere protects us by blocking much of the sun's harmful ultraviolet (UV)radiation, which causes ski cancer and cell mutations.

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The ecosystem concept can be applied on almost any scale. ​

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The arrangement of multiple individuals of the same type of feature or event over Earth's surface is the ____. ​

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A system is ____. ​

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The four major subsystems of the Earth system are the atmosphere, hydrosphere, lithosphere, and _______________. ​

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Earth processes can have a direct impact on humans and their built environment, just as humans and their built environment can have an impact on Earth. ​

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Oceans, lakes, rivers, glaciers, and water in the soil, atmosphere, and organisms make up the ____. ​

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Negative feedback is an "unnatural process" that is generally detrimental to the functioning of an environmental system. ​

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Because of geography's focus on where and how things are located, and why, it is often called the _______________ discipline. ​

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