Earth's Radiative Equilibrium Temperature Is the

Earth's radiative equilibrium temperature is the

A) average temperature at which Earth is absorbing solar radiation and emitting infrared radiation at equal rates.
B) average temperature at which Earth is radiating energy at maximum intensity.
C) ​average temperature Earth must maintain to prevent oceans from freezing solid.
D) temperature at which rates of evaporation and condensation on Earth are in balance.
E) ​temperature that humans and animals can survive in on Earth.