The thin atmosphere on Mars warms the surface of that planet by about 3°C,while the thick atmosphere on Venus warms the surface of that planet by approximately 468°C.To make these two planets suitable for life,scientists would need to _______ the atmospheric density on Mars and _______ the density on Venus.
A) increase;increase
B) increase;decrease
C) decrease;increase
D) decrease;decrease
E) make no changes to;decrease

Question

Quizplus · Accepted Answer

To make Mars suitable for life, the atmospheric density would need to be increased to trap more heat and warm the surface. To make Venus suitable for life, the atmospheric density would need to be decreased to reduce the extreme greenhouse effect that is currently heating the surface. Therefore, option B is the correct answer.

The Thin Atmosphere on Mars Warms the Surface of That