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Rift valleys can form when fractures in Earth's crust widen. The valley walls slowly move apart at a rate of only a few millimeters a year.
Which type of boundary would rift valleys form at?
A. Convergent
B. Divergent
C. Transform
D. Transform Fault

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quasarJose

Answer:

B. Divergent

Explanation:

Rift valleys are usually formed at divergent margins where fractures in the earth's crust widens.

The fracture widens due the pulling apart of the plates that are involved.

  • Most rift valleys are located within the continental crust.
  • One of the prominent rift margins in the world is the East Africa rift valley system.
  • This creates a crack within the earth that continues to grow as the separation continues.

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