Mountains that form when large areas of earth gradually move skyward as a unit are called mountains.
a. low-lying
b. impoverished
c. uplifted
d. improvisation

Mountains that form when large areas of Earth gradually move skyward as a unit are called (C) uplifted mountains. Uplifted mountains are formed due to earth's movement and as well as volcanic activities. Because of the compression of the two landmasses, it made some land to move upwards.

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).

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