Which statement best explains why 50% of the atmosphere is below 5.5 km and 99% is below 32 km.
A) Air acts like water as you change depth.
B) Air is compressible.
C) The relative amounts of oxygen and nitrogen do not change with altitude.
D) The greenhouse effect is due to water vapor, carbon dioxide and other trace gases in the atmosphere.
E) The ozone layer blocks UV radiation in the stratosphere between 20 and 50 km of altitude.

Question

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The Answer of Which statement best explains why 50% of the atmosphere is below 5.5 km and 99% is below 32 km.
A) Air acts like water as you change depth.
B) Air is compressible.
C) The relative amounts of oxygen and nitrogen do not change with altitude.
D) The greenhouse effect is due to water vapor, carbon dioxide and other trace gases in the atmosphere.
E) The ozone layer blocks UV radiation in the stratosphere between 20 and 50 km of altitude.

Which Statement Best Explains Why 50% of the Atmosphere Is