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The substance that a wave moves through is called a __________.

a. fluid
c. track
b. medium
d. vibration

2 Answers

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The substance that a wave moves through is called a B. medium.

Air is a medium. In space there is no air, and therefore, there is no medium for sound waves to travel.
User Pinguin Dirk
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b. medium

The substance that a wave moves through is called aMEDIUM

NOT:
a. fluid
c. track
d. vibration
User Jarrod Moldrich
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