The Greenhouse Effect Refers to the

The greenhouse effect refers to the

A) process through which counterradiation is returned to the surface.
B) overall warming of the Earth's atmosphere over long periods of time.
C) rapidly increasing amount of CO₂ in the atmosphere.
D) decrease in the amount of shortwave radiation the Earth can radiate out to space.
E) melting of the polar ice caps and subsequent raising of the oceans.