Why are deserts divided into different types

The world's deserts can be divided into five types—subtropical, coastal, rain shadow, interior, and polar. Deserts are divided into these types according to the causes of their dryness. Subtropical deserts are caused by the circulation patterns of air masses. ... Hot, moist air rises into the atmosphere near the Equator.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in