Based on composition, the atmosphere is divided into
A) two broad classifications: homosphere and heterosphere.
B) two functional areas that absorb radiation from the Sun.
C) one continuous region.
D) the troposphere and the stratosphere.
A
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The accumulation of an early atmosphere by the release of gases from Earth’s interior because of
heating and volcanism:a. continental accretion d. photosynthesis b. abiogenesis e. outgassing c. stromatolite
The presence of till indicates
A) direct deposition by a glacier. B) deposition by wind. C) deposition by water. D) none of the above
What would be the reduction in pounds of CO2 released into the atmosphere if 100 million people walked 3 miles a day instead of driving their cars? Present your results on daily, weekly, monthly, and yearly basis.
What will be an ideal response?
Which of the following are ways that the atmosphere interacts with Earth's surface?
A. Some energy that strikes the earth is converted into infrared energy. B. Liquid water on the surface can evaporate, becoming water vapor in the atmosphere. C. Earth's atmosphere blocks most of the Sun's harmful ultraviolet radiation. D. The atmosphere includes a low percentage of water vapor, most of which comes from the oceans. E. All of these choices are correct.