In general, if a body of mantle (source) rock is subjected to partial melting, the magma that is produced is expected to be . A. identical in chemical composition to the source rock B. more mafic than the source rock C. more felsic than the source rock D. less dense than the source rock

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.

the answer would be a

i think its 100.

hope this !