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3 answers

a bug splashing on the surface, an approaching fish, whatever makes them safe and satisfied

2007-04-24 08:13:36 · answer #1 · answered by Jim G 7 · 0 1

everything ,sound travels under water although 4 times as slow as in the air

2007-04-24 15:19:59 · answer #2 · answered by Anonymous · 0 1

They don't hear,they feel the sound pasting thur the water

2007-04-24 15:16:37 · answer #3 · answered by Anonymous · 0 1

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