Nearly 30% of the solar radiations return back to the space without contributing anything to the Earth?s surface temperature. This amount of radiation is known as [NDA 2013-I]

Nearly 30% of the solar radiations return back to the space without co

1.	Nearly 30% of the solar radiations return back to the space without contributing anything to the Earth?s surface temperature. This amount of radiation is known as [NDA 2013-I]
A.	Black body
B.	tropopause
C.	Earth's albedo
D.	mesopause
Answer» D. mesopause