Answer :
Final answer:
Rift basins form at divergent boundaries where continental crust is pulled apart, leading to the subsidence of the crust on both sides.
Explanation:
Rift basins form at divergent boundaries where continental crust is being pulled apart, causing the crust on both sides to subside. An example of a rift basin is the East African rift basin, which represents an early stage in the process of rift formation.
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