The segment of the atmosphere in which gases maintain an approximately uniform composition is the ________

A) homosphere
B) exosphere
C) ionosphere
D) stratosphere
E) troposphere


Answer: A

Environmental & Atmospheric Sciences

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Using Figure 16.28 in your textbook, a flood level that occurred five times in 50 years is known as

A) a 5-year flood. B) a 10-year flood. C) a 25-year flood. D) a 50-year flood.

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On cool spring mornings, veils of fog can often be seen rising above warm lakes and ponds. This type fog is an example of ________ fog

A) radiation B) convection C) evaporation D) advection

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For about the last ________ years, Earth has had about the same balance of chemical components that now persists

A) 10,000 B) 100,000 C) 1 million D) 500 million E) 1 billion

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Cultural forces have little impact on human activities as globalization creates new alliances and global networks.

a. true b. false

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