3. Read this sentence from the text: "Most of the solar radiation is absorbed by the atmosphere

and much of what reaches the earth's surface is radiated back into the atmosphere to become

heat energy."

What can you conclude about heat energy?

A. Most of the sun's energy is used to make heat energy.

B. A small amount of the sun's energy is used to make heat energy

C. All of the sun's energy is used to make heat energy.

D. None of the sun's energy is used to make heat energy.