A ____________ is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment.
Show answer & explanation
Correct answer: B
Explanation
Thecorrect answer is Option 2 i.e. dam.
- A "dam" is an obstruction, a lake or an impoundment that is built across a stream of water to impede, redirect, or slow the flow.
- Dams are used for agriculture, flood control, recreation, and the delivery of water. They also generate hydroelectric power.
- These could be tiny, neighborhood-specific buildings or enormous undertakings with a big effect on the infrastructure and environment around them.