Other

Question

Many times, a lock

is built on a river in

addition to a dam.

What is the function

of a lock?

A. to keep the land from becoming flooded

B. to help save water for future generations

C. to help ships move up and down the river

D. to protect fish and other aquatic animals from danger

Answer

C. to help ships move up and down the river.

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A lock is a device used in a river or canal to raise and lower boats between stretches of water of different levels on the same waterway...