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Physics, 04.01.2020 11:31 OreoShark

Which of these are not mechanical waves and can be used to send a signal to astronauts on the moon?

a) sound waves
b) radio waves
c) both sound waves and radio waves
d) neither sound waves or radio waves

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Answers: 1

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Which of these are not mechanical waves and can be used to send a signal to astronauts on the moon?...
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