Which of the Following Statements About the Earth's Energy Cycle

Which of the following statements about the Earth's energy cycle is true?

A) Incoming solar radiation and the terrestrial energy sources equal reflected solar radiation and emitted infrared radiation.
B) Incoming solar radiation and reflected solar radiation equal the terrestrial energy sources and emitted infrared radiation.
C) Incoming solar radiation and emitted infrared radiation equal reflected solar radiation and terrestrial energy sources.
D) Incoming solar radiation, reflected solar radiation and the terrestrial energy sources equal emitted infrared radiation.