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Applewhite posted:Q: If a tree falls in the forest an no one is around to hear, does it make a sound? Sound waves are merely waves of energy. Sound does not exist until the energy is perceived by someone/something with sound receptors. (Devil's advocate)
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# ¿ Feb 25, 2021 20:53 |
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# ¿ Apr 23, 2024 13:06 |