There are five concentric layers within the atmosphere which is
differentiated on the basis of temperature. The atmospheric layer which lies
close to the earth's surface in which human being along with other
organisms live is called troposphere. The rate at which air temperature in
the troposphere gradually decreases with height is about __________
°C/km.
(A) 0.05
(B) 1
(C) 6.5
(D) 15

1 Answer

Answer :

(C) 6.5

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