The answer is B. folding, uplift, and erosion. certain mountains are created from the folding of the upper layers of earth's crust. valleys on the other hand are made from the erosion of land or soil. tectonic uplift of the earths crust is also responsible for creating mountains.
Answer:
Challenger Deep at 36,070 ft. ~ 11000 meters
Explanation:
Answer:
animal interference and vegetation, as well as limestone crystallization.
A geologist studies the earth's history.
