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

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Q: 72 (CDS-I/2013)
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—
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question_subject: 

Geography

question_exam: 

CDS-I

stats: 

0,113,22,12,7,113,3

keywords: 

{'solar radiations': [0, 0, 0, 2], 'albedo': [0, 0, 1, 1], 'radiation': [0, 0, 1, 0], 'surface temperature': [1, 0, 0, 1], 'space': [4, 1, 7, 12], 'tropopause': [1, 0, 0, 4], 'earth': [0, 1, 1, 1], 'black body': [0, 0, 0, 1]}