The presence of gases such as carbon dioxide and water vapor in a planet's atmosphere is direct evidence of ________ in a planet's history.
A) high surface temperatures
B) volcanic activity
C) cometary impacts
D) a lack of asteroid impacts
E) the greenhouse effect

Question

Quizplus · Accepted Answer

Volcanic activity releases gases like carbon dioxide and water vapor into a planet's atmosphere, indicating such processes in its history.

The Presence of Gases Such as Carbon Dioxide and Water