PeirceTheEmo PeirceTheEmo

12-09-2017
Biology

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You are exploring in a cave and call out to one of your friends. You hear your echo. Which interaction of sound (reflection, refraction or absorption) caused the echo and how did the sound waves move?

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iz4ya999 iz4ya999

12-09-2017

When sound waves hit a solid surface they either reflect, refract, or absorb.
Echo's are caused by the reflection of sound waves.

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