The major difference in the composition of Earth's atmosphere compared to the atmospheres of Venus and Mars is a direct consequence of
A) life on the planet.
B) a geologically active interior.
C) a moderate greenhouse effect.
D) the presence of liquid water.

Question

Quizplus · Accepted Answer

The presence of life on Earth has significantly altered its atmosphere, particularly through the production of oxygen via photosynthesis, which is not present in the atmospheres of Venus and Mars.

The Major Difference in the Composition of Earth's Atmosphere Compared