Most of the thermal radiation supplied by the sun is absorbed by which of the following?

the atmosphere
the earth's surface
clouds
the solar system

The answer is The Earth's Surface because 30% of the short wave radiation from the sun is reflected off the land back to space, and the remaining 70% is absorbed.

the answers for the whole quick check is

1. b

2. b

3. a

4. c

5. b

6. a

7. d