Multiple Choice
At the 500 mb level,the amount of oxygen inhaled in a single breath is ____ of that inhaled at sea-level.
A) about the same
B) about one-quarter
C) about one-half
D) about three-quarters
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q29: In a volume of air near the
Q30: The most abundant gases in the earth's
Q32: The planet with a strong greenhouse effect,whose
Q34: Middle latitude storms are also known as<br>A)
Q35: The temperature of the tropopause<br>A) is close
Q36: Most of the ionosphere is found in
Q49: Meteorology is the study of _.<br>A)landforms<br>B)the oceans<br>C)the
Q54: Carbon dioxide is a naturally occurring component
Q77: The gas that absorbs most of the
Q88: The atmospheric layer in which we live