Answer: The averagecomposition is granite, which is much less dense than the mafic igneous rocks of the lithosphere.
Explanation: Because it is thick and has relatively low density, continental crust rises higher on the mantle than lithosphere which sinks into the mantle to form basins.
the largest ethnic groups in North Africa are Arabs, Berbers and West Africans. I hope this helps :P
I think it's A if not then its D
salt water, unwind, and stay in place, are some words to describe the opposite of monsoon, i hope this kind of helped. (:
The answer is the spring equinox