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Do waterfalls and rapids occur where rivers meet and flow over hard rocks ?
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Dec 16, 2015
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Do waterfalls and rapids occur where rivers meet and flow over hard rocks ?
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JaydeepW
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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.
Hugo Nava Kopp
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Dec 22, 2015
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