Question

when can you say that the sound is propagating through a medium
A.if the medium is travelling
B. the particles of a medium are traveling
C. when the source of sound is traveling
D. when the disturbance is traveling

Answer 1

when the source of sound is traveling

Answer 2

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АпЗЩЁГ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

C. when the source of sound is traveling

АпЗЩЁГ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑

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