Question

1 1 po
15. During heating or expansion,
the
of the matter
does not change.
sk​

Answer 1

Answer:

write correct question

Explanation:

what is sk

Answer 2

Answer:

atoms

Explanation:

All three states of matter (solid, liquid and gas) expand when heated. The atoms themselves do not expand, but the volume they take up does. When a solid is heated, its atoms vibrate faster about their fixed points.

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