tahniah tahniah

20-04-2015
Chemistry

contestada

what must astronauts use microphones and headphones in outer space

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HistoryGuy HistoryGuy

20-04-2015

In order for sound to be hear, it must travel through a medium, such as air, through which its waves can make a disturbance. In space there is no air, so microphones must be used.

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