true or false
4) sound cannot travel through solid?
5) molecules at higter temperature vibrat faster?
6) sound can travel through solids, liquids, and gases but not in a vacuum?
7) repeated echo is khown as resonance?
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true or false
4) sound cannot travel through solid?
5) molecules at higter temperature vibrat faster?
6) sound can travel through solids, liquids, and gases but not in a vacuum?
7) repeated echo is khown as resonance?
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Answer:
4)true
5)true
6)true
7)false