gabylysm gabylysm

14-12-2014
Physics

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do waterfalls and rapids occur where rivers meet and flow over hard rocks ?

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garyaustin1021 garyaustin1021

14-12-2014

Waterfalls occur when there is a sudden drop. For example the land may be 40ft up, but then suddenly it drops to 10ft above sea level. Rapids occur when the water is running through a downhill slope with a bunch of rocks.

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