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27-02-2021
Biology

contestada

Why does sound need a medium
to travel?
A. The particles slow down.
B. Empty space makes the sound travel faster.
C. The particles must transfer energy through
direct contact.
D. The frequency of sound requires a medium.

Respuesta :

hadyal2020 hadyal2020

28-02-2021

Answer:

it may be:

C and D and B the longer the empty space the longer the sound well go

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