The scattered energy that reaches the earth's surface is called:
A) direct radiation.
B) diffused radiation.
C) albedo.
D) ultraviolet light.
Question 2
The sky is black on the Moon because:
A) space reflects all wavelengths of radiation equally.
B) the Moon contains neither oceans nor vegetation.
C) the Moon does not have sufficient gravity to attract visible light.
D) the Moon has no atmosphere.