An air mass thunderstorm rarely lives long enough to create very ...

[newbem]

An air mass thunderstorm rarely lives long enough to create very severe weather because:
 
  A) wind shear causes the storm's updraft to become tilted.
  B) there is rarely enough moisture available to keep the storm alive for longer than 30 minutes.
  C) the atmosphere is generally fairly stable when these storms develop.
  D) the downdrafts quickly become strong enough to stop the updraft and influx of moisture to the storm.

Question 2

Solar radiation arriving at Earth's atmosphere and surface is called
 
  A) solar constant.
  B) solar wind.
  C) auroras.
  D) thermosphere.
  E) insolation.

[lauravaras]

Answer to Question 1

D

Answer to Question 2

E