All of these choices are correct. Greenhouse gases like carbon dioxide and methane absorb heat energy and emit it in all directions, which helps to prevent average surface temperatures from dropping below freezing. This, in turn, makes life on Earth's surface possible.

Solved

Greenhouse Gases

Question 60

Multiple Choice

Greenhouse gases:

A) prevent average surface temperatures from dropping below freezing.
B) absorb heat energy and emit it in all directions.
C) include carbon dioxide and methane.
D) make life on Earth's surface possible.
E) All of these choices are correct.

Correct Answer: