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What is a dam
please tell​

User Mattbawn
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2 Answers

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A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
User EGlyph
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Answer:

a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.

User Origamic
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