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I bet you have watched astronauts in the space station on television or on your computer. We see them; we hear them speak. How are the voices of astronauts transmitted back to Earth? A) sound waves B) transverse waves C) mechanical waves D) longitudinal waves

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Dee459
The only way to send information back and forth is to use radio waves. Just like a radio station broadcasts a signal which you can listen to using a radio, astronauts and people on Earth can broadcast information back and forth to each other.
Radio waves are transverse waves.

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