The gobi desert’s terrain is mostly comprised of a. sand b. dust c. minerals d. bare rock

What is the thickest layer of earth called?

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays