Question

how much of the suns incoming energy just reflects right back into space?
a 47%
b 23%
c 7%
d 30%

Explanation:

The Earth's albedo (the fraction of solar energy reflected back to space) is about 30%. This includes reflection from clouds, atmosphere, and surface. So the Sun's incoming energy that reflects back to space is approximately 30%.

Answer:

D. 30%