At what rate does the Earth's surface receive sunlight? – McqOptions

MCQOPTIONS

1.	At what rate does the Earth's surface receive sunlight?
A.	2cal/c2/min
B.	3cal/c2/min
C.	1cal/c2/min
D.	1.5cal/c2/min
Answer» B. 3cal/c2/min

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