Judge the following sentence according to the criteria given below: The net result of an increase in ...

Judge the following sentence according to the criteria given below: The net result of an increase in atmospheric moisture should be an increase in air temperature BECAUSE the heat absorption of water vapor in the atmosphere dominates over the higher
 
  reflectivity of clouds. A) The assertion and the reason are both correct, and the reason is valid.
  B) The assertion and the reason are both correct, but the reason is invalid.
  C) The assertion is correct, but the reason is incorrect.
  D) The assertion is incorrect, but the reason is correct.
  E) Both the assertion and the reason are incorrect.