Question

How are rift valleys formed?

• A. They are formed due to the collision of tectonic plates.
• B. They are formed due to the sinking of land between two river basins.
• C. They are formed due to the sinking of land between two normal faults or deep slopes.
• D. They are formed due to the collision of land between two normal faults.

Answer 1

The correct option is C They are formed due to the sinking of land between two normal faults or deep slopes.

A flat-bottomed valley formed by the sinking of the land between two normal faults or deep slopes is called a rift valley. The rift valley of Africa is known as the Great Rift Valley. It is in Y-shaped and is one of the most striking and distinct topographical features of Africa.