"! ! "
how do a tropical rain forest climate and a tropical wet/dry climate differ?

Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt. Tropical wet and dry climates have a distinct dry season and a distinct wet season. Places that experience tropical wet climates receive enough rainfall to sustain a population of trees.

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )