Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
Answer:
The answer is A. Cementing....
Explanation:
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Answer:
because a bay consists of water, while a straight section on the coast wouldn't be much for miles. a bay is where these trading and fishing communities would b getting their sources from. this makes being located on or near a bay much more convenient than on a straight section of the coast