Question

ch. 3 quiz
compare the atmospheres of venus and mars. which statement best describes their differences?
both have thick atmospheres rich in oxygen
both planets have atmospheres dominated by nitrogen
mars has a dense atmosphere with high pressure
venus has a dense atmosphere with high pressure; mars has a thin atmosphere

Explanation:

Venus has a very dense atmosphere mainly composed of carbon - dioxide with high pressure. Mars, on the other hand, has a very thin atmosphere. The atmospheres of both are not rich in oxygen and not dominated by nitrogen.

Answer:

Venus has a dense atmosphere with high pressure; Mars has a thin atmosphere