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Science | Entries: 169 | Views: 809 | Updated: 4 years ago | | Add to My Feeds
The water levels of most of the world’s rivers fluctuate with seasonal rains, melting snows, or droughts, and in the arid zones there are flash floods. It makes sense to capture and store the abundant waters and later release it during the low flow periods or use it for power. So dams have been built [...]

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