9. Sounds created by astronauts in space outside their stations will not create sound. Why is
this so?
A. Sound travels only on earth.
B. There is no liquid substance in space
C. There is no solid object in space
D. Sound can only travel through a medium.
this so?
A. Sound travels only on earth.
B. There is no liquid substance in space
C. There is no solid object in space
D. Sound can only travel through a medium.
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Answer:
9. lettter A. The vacuum of outer space has essentially zero air because sound is just vibrating air, space has no air to vibrate and therefore no sound.