1.

Give scientific reasonIf you were both on the Moon your friend will not be able to hear your call.​

Answer»

Answer:

If you were both on the Moon your friend will not be able to hear your CALL, because SOUND needs a MATERIAL medium.In CASE of moon , there is no material medium on the surface of moon . So , sound doesn't propagate there and you don't hear your friend's call.

Explanation:

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