In which type of terrain are waterfalls most commonly formed?

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Accepted Answer

1. Waterfalls need a sudden drop in the river bed.

2. Plateaus have flat hard rock on top and steep edges. These give rivers a sharp drop.

3. Rivers flowing off plateaus cut the edge and form waterfalls.

4. Desert plains, coastal plains and floodplains are mostly flat and do not give big drops.

FINAL_ANSWER: b

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Answer

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