How Does the Greenhouse Effect Produce Excess Heat in a Planet's

Multiple Choice

How does the greenhouse effect produce excess heat in a planet's atmosphere?

A) by trapping infrared radiation and preventing it from escaping into space
B) by clouds blocking the surface so it doesn't receive any infrared radiation
C) by trapping light gases and preventing them from escaping into space
D) by trapping ultraviolet light in the upper atmosphere of the planet