What Is a Dam and How Does It Function?
Dam is a barrier built across a river or sea which is high enough to stop the water flowing over it. In a river dam, the water which is hel
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Dam is a barrier built across a river or sea which is high enough to stop the water flowing over it. In a river dam, the water which is hel
The Tennessee Valley Authority (TVA) is a United States government agency established in 1933 to control floods, improve navigation, manufac