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

Question

Quizplus · Accepted Answer

The mass of Earth's atmosphere is a very small fraction of the total mass of the Earth, not a substantial part. The Earth's mass is primarily composed of its solid and liquid inner layers.

Which of the Following Points About Our Planet's Atmosphere Is