A.because of the absorption of solar radiation on the earths surface and in the atmosphere
B.because of the rotation of the earth about its axis and its motion around the sun
C.both a and b
D.neither a nor b
A.because of the absorption of solar radiation on the earths surface and in the atmosphere
B.because of the rotation of the earth about its axis and its motion around the sun
C.both a and b
D.neither a nor b