The greenhouse effect is related to the phenomenon of an increase in average surface temperature known as

Aagricultural improvement.
Bglobal warming.
Cair pollution.
Dconservation.

Verified Answer :

BGlobal warming accelerates the greenhouse effect

The greenhouse effect is related to the phenomenon of an increase in average surface temperature known as (B.) global warming.

I'm taking this test now. Check out the Glencoe Earth Science textbook page 743. The answer is there :)