Question

The Earth's surface temperature is about 15∘C, far above the average temperature of the atmosphere of −33∘C, mainly because:

a)The visible light from the Sun is almost completely absorbed by the atmosphere and radiated back to the Earth’s surface but in a form of infrared radiation.

b)The infrared radiation from the Sun is almost completely absorbed by the atmosphere and radiated to the Earth.

c)The infrared radiation from the Earth’s surface is almost completely absorbed by the atmosphere and a large fraction of it is radiated back to the Earth’s surface.

d)The ultraviolet light from the Sun is absorbed by the ozone in the atmosphere and radiated back to the earth.

e)The surface of the Earth absorbs the Sun’s radiation but the atmosphere doesn’t absorb any radiation.

Answer 1