The primary source of greenhouse gases on Venus is:
A) chemical reactions in the cloud layers.
B) asteroid and comet impacts.
C) volcanism.
D) evaporation.

Question

Quizplus · Accepted Answer

The primary source of greenhouse gases on Venus is volcanism. The planet has had a history of intense volcanic activity, which has released large amounts of carbon dioxide into the atmosphere. This carbon dioxide then traps heat from the sun, leading to the extreme temperatures on the surface of Venus.

The Primary Source of Greenhouse Gases on Venus Is