Which of the conditions below would most likely produce warming ...

[waynest]

Which of the conditions below would most likely produce warming at the earth's surface?
  a. increase the amount of low-level global cloudiness
  b. increase the amount of sulfur-rich particles in the stratosphere
  c. decrease the energy output of the sun
  d. increase the amount of global snow cover
  e. increase the amount of high-level global cloud cover

Question 2

It is now known that, overall, clouds:a.
   have a net warming effect on climate
  b. have a net cooling effect on climate
  c. have no net effect on climate
  d. are the single most important feature in determining climate

[nickk12214]

Answer to Question 1

e

Answer to Question 2

b