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sp2606 [1]
3 years ago
9

HURRY

Physics
2 answers:
Lynna [10]3 years ago
8 0

Answer:

the answer is b or "The sound wave will not be generated, so there will be no echoes received."

Explanation:

Mrac [35]3 years ago
6 0

Answer:

It’s b

Explanation:

Everyone else is wrong and I tried this and got it right

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