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Answer: Something that's vibrating, and you also need medium for those vibrations to start in.
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
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<span>Anger is to angry as fire is to blazing. </span>
Answer:
B
Explanation:
because kinetic energy is directly proportional to temperature so the hottor the object, the more kinetic energy.
