Respuesta :
Answer:
when they are cold
Explanation:
particles will only vibrate when they are hot due to heat transfer by conduction and temperature changes as well
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Answer:
particles vibrate more when they are hot.
Explanation:
This is because the heat transfer from one particle to the other causes vibrations in particles of a substance..And if the substance is cold the particles will not move and will be held in a framework
i hope it will clear your concepts...