Answer:
against
Explanation:
Reverse faults, also called thrust faults, slide one block of crust on top of another. These faults are commonly found in collisions zones, where tectonic plates push up mountain ranges such as the Himalayas and the Rocky Mountains.

The Correct choice is : C. <u>Solids</u>
Sound waves need a medium to propagate, and the most suitable medium for that is solids, where it travel the fastest or with greatest efficiency.
Deserts are A) dry with little organic matter. Although it seems that D might be correct in fact it is not because desert soil is not totally unable to support plant life because in fact some plants grow in the desert and especially following a rain storm the desert can bloom with plant life.
A mineral has 5 characteristics:-
Naturally occurring, Solid, Inorganic, Crystalline structure, and the same chemical composition.
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