Multiple Choice
Which of the following points about our planet's atmosphere is FALSE?
A) it is slowly leaking atoms into space from its outermost regions
B) its mass is a substantial part of the mass of the Earth
C) warm air rises and cool air descends within it, setting up circulating currents `
D) it is made mostly of nitrogen
E) one of its layers helps keep much of the ultraviolet radiation from space from reaching the surface
Correct Answer:
Verified
Correct Answer:
Verified
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