Question

What is the single most important factor that defines desert biomes? Why are deserts divided into different types?

Answer 1

The most important factor is that desert biomes have to deal with not that much rain and the thing that divides them is how hot or how cold the thing is.

Answer 2

important factor defining the desert booms is its tendency to lose water by evaporation , and this potential for water loos exceeds the annual rainfall and defines what organism can live in there