The Type of Weather System Known as a "Mid-Latitude Cyclone

Multiple Choice

The type of weather system known as a "mid-latitude cyclone" cannot form over the tropical ocean because:

A) surface temperature contrasts are not large.
B) the ocean surface has a lot of waves.
C) the Coriolis force is weak in the tropics.
D) both surface temperature contrasts are not large and the ocean surface has a lot of waves.
E) both surface temperature contrasts are not large and the Coriolis force is weak in the tropics.