Question

give scientific reason (3)= Astrons on the moon can not hear each other directly​

Answer 1

Explanation:

Sound requires medium to travel. The absence of atmosphere on the Moon makes it medium less. Thus, the astronauts on the Moon cannot hear each other directly because of absence of the medium.

Answer 2

Answer:

due to vaccum there is no air in space so sound is a mechanical wave need a medium to propogate ,so astronauts can't hear each other.

they radio wave to communicate