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Which of the following accurately describes the greenhouse effect?
A portion of infrared radiation (heat) is radiated back to Earth by certain gases in the atmosphere.
Lighter surfaces reflect more ultraviolet radiation back out into space than darker surfaces.
A periodic warming of surface waters off the coast of Peru and Ecuador that typically begins in mid-December.
Cooler than normal surface waters on the equator in the Pacific Ocean near South America .
An upwelling of nutrients off the coast of South America first noticed by fishermen.