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Why are radio waves probably the most efficient way to communicate between civilizations?

adreamer

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Why are radio waves probably the most efficient way to communicate between civilizations?

Why are radio waves probably the most efficient way to communicate between civilizations?
A) radio waves are easy to produce and are not affected much by interstellar matter in the galaxy
B) radio waves are the most penetrating of all electromagnetic radiations
C) all advanced civilizations are certain to use radio waves for communication
D) radio waves are the only kind of electromagnetic radiation that can carry information

Textbook

Life in the Universe

Life in the Universe

Edition: 4^th

Authors: Bennett, Shostak

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Donskoy

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adreamer Author

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This site is awesome

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Helped a lot

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Good timing, thanks!

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