Why are deserts dry?

[admin]

Deserts are found around the world, including next to oceans. But why are these regions dry?

Why are deserts dry? : Read more

 

[Pippaps77]

Found a minor mistake. After acknowledging that water evaporates closer to the equator, it states that dry air travels toward the poles. If it’s dry, what moisture is being carried? How does it even rain if evaporation forms dry air?! That doesn’t make sense.