Why sound canot travel in sa
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I think u mean space by sa. Answer is that sound cannot travel in vaccum . If u imagine that u r near the sun u can hear sounds as sun is made up of gases but there is very little helium in space which creates so little sound that u can't Hear it. Sound can only travel in solid ,liquid and gas.
mybhai:
Yes sound can travel in sea.dolphin use these sound waves created by other dolphins in water
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It can travel in sea dolphin produces ultrasonic waves there
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