The answer is D
A-the green house effect traps heat in our atmosphere, heating up the global temperatures of the earth
B-trees and plants take in the CO2 that is heating up our earth, so through deforestation the Greenhouse effect is actually worse
C-there really isn’t any proof it stunts growth
D-Exacerbated means to be worsened by, so yes, fossil fuels are releasing CO2 into the air from long dead, prehistoric organisms, making the greenhouse effect worsen.
I hope this helps!
