Question

Define
C) Rift valley


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Answer 1

Answer:

system of geologic depressions in southwest Asia and eastern Africa extending from the Jordan River valley to Mozambique. The region is marked by vulcanism and by a series of faults caused by tectonic action.

Answer 2

Answer:

$\huge\tt\underline\pink{ANSWER}$⬇️

A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. A rift valley is formed on a divergent plate boundary, a crustal extension or spreading apart of the surface, which is subsequently further deepened by the forces of erosion. When the tensional forces are strong enough to cause the plate to split apart, a center block drops between the two blocks at its flanks, forming a graben. The drop of the center creates the nearly parallel steeply dipping walls of a rift valley when it is new.

$\huge\tt\underline\red{EXAMPLE}$

The most extensive of the continental rift valleys are those of the East African Rift System, which extend northward to the Red Sea and eastward into the Indian Ocean. Other notable examples include the Baikal Rift Valley (Russia) and the Rhine Rift Valley (Germany).

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