The earth's radiative equilibrium temperature is:
a. the temperature at which the earth is absorbing solar radiation and emitting infrared radiation at
equal rates.
b. the temperature at which the earth is radiating energy at maximum intensity.
c. the average temperature the earth must maintain to prevent the oceans from freezing solid.
d. the temperature at which rates of evaporation and condensation on the earth are in balance.
Question 2If the amount of energy lost by the earth to space each year were not approximately equal to that
received,
a. the atmosphere's average temperature would change.
b. the length of the year would change.
c. the sun's output would change.
d. the mass of the atmosphere would change
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