Explain how Earth's internal and external energy sources work together to shape the surface of the
Earth. What will be an ideal response?
Earth's surface environment is a balance of forces, some imposed externally (sunlight and related
winds, rainfall), some imposed internally (tectonic forces). Life modifies the interaction of these
forces, helping create soils and the landscapes to which we are accustomed.
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In what region of Mars is microscopic life most likely to exist?
A. deep within the planet's core B. beneath the planet's surface, where melting water may pool C. at the equator, where temperatures are most moderate D. at the poles, where ice caps may harbor microorganisms
One after the other, if the land is used for two or more different purposes then the type of usage is defined as
A. conservation. B. multiple use. C. restrictive zoning. D. sequential use.
The East African Rift is an example of a/an ____________ plate margin. Fill in the blank(s) with the appropriate word(s)
Which of the following is the only sentence that does not describe the thermosphere?
A. It is the highest of the four layers of the atmosphere. B. Molecules of air are very sparse. C. It has a strong influence on climate. D. It gets warmer with distance from the Earth's surface.