The Sun heats the Earth. The Earth then reradiates this heat energy back into space. However, the

Question

amount of _______ in the air plays a key role in absorbing much of this exiting heat and warming Earth's
atmosphere.
A. carbon dioxide
B. nitrogen
C. oxygen
D. argon

my answer i think is a.

Answer 1

Yes, although molecule for molecule Methane (natural gas) is the winner.
Incoming radiation frequencies penetrate atmosphere easily, but the lower temperature outgoing rays not so easily (Goggle "black body radiation T^4" )

Answer 2

https://en.wikipedia.org/wiki/Black-body_radiation

Answer 3

Thanks for the info...

Answer 4

You are welcome. I could go on all night of course :)