Insolation reaching the surface of the earth: A) is all ...

[lilldybug07]

Insolation reaching the surface of the earth:
 
  A) is all absorbed by the earth.
  B) represents about 50 percent of the amount that was at the top of the atmosphere.
  C) is unaffected by Earth's albedo.
  D) has not yet been affected by backscattering.

Question 2

On average, the atmosphere absorbs roughly this percentage of the solar radiation that reaches the top of the atmosphere:
 
  A) 5 percent.
  B) 14 percent.
  C) 25 percent.
  D) 50 percent.

[peter]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: C