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Mathematics, 17.02.2021 05:30 hellokitty1647

D Answer each question. 1. What is the range of frequencies a human ear can hear?
2. What is the speed of sound?
3. Whích two animals locate things by echoes?
nitch of your voice?

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D Answer each question. 1. What is the range of frequencies a human ear can hear?
2. What is...

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