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Astronauts use walkie-talkie to communic...

Astronauts use walkie-talkie to communicate to each other in deep space. Walkie-talkie radiates radio waves to connect with the respective pair. Astronauts use walkie-talkie to communicate in deep space because

A

sound cannot travel through vacuum

B

range of the walkie-talkie is very large

C

walkie-talkie amplifies the sound produced by astronauts

D

radio waves cannot be transmitted without walkie-talkie

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