The collision-coalescence process
A) is most frequent in clouds composed of ice particles.
B) is more likely to occur in the tropics than in temperate regions.
C) relies upon supercooled water drops.
D) only works in updrafts.
E) is the cause of most of Earth's precipitation.
Question 2
The global cooling and warming effects of clouds depends upon
A) cloud thickness.
B) cloud height.
C) the size of cloud particles.
D) all of the above
E) none of the above