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OpenStudy (anonymous):

When a wave hits a surface through which it CANNOT pass and bounces back, it undergoes

OpenStudy (anonymous):

Science question Is my guess...?

OpenStudy (anonymous):

Reflection

OpenStudy (king.void.):

Hello welcome to OpenStudy, please read this http://openstudy.com/code-of-conduct and Enjoy your time on OS :) Wrong section please close this and re post in the Science Section.

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