Most of the worlds deserts are located at latitudes where

a) hot, dry air moving toward the poles descends.
b) hot, dry air moving toward the equator rises.
c) cold, dry air moving toward the equator descends.
d) hot, dry air moving toward the poles rises.
e) cold, dry air moving toward the poles descends.

Most of the worlds deserts are located at latitudes where cold, dry air moving toward the poles descends.

E) cold, dry air moving toward the poles descends.

Explanation:

A large portion of the world's deserts are situated almost 30 degrees north scope and 30 degrees south scope, where the warmed tropical air starts to drop.

Hot deserts are essentially found around the Tropics of Cancer and Capricorn. As air moves inland, it gets drained of dampness and precipitation drops. So the majority of the world's deserts are situated at scopes where cool, dry air advancing toward the shafts slides.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds