Question

A. Tick the most appropriate answer.
Molecules of a solid
a. vibrate at their positions.
b. move because they are loosely bound.
c. move only when heated.
d. do not move at all.​

Answer 1

Answer:

move only when heated

Explanation:

I think it's helpful for you

Answer 2

Answer:

d.do not move at all is the right answer ,,,because in solids molecules are tightly packed

Explanation:

hope it is helpful to you.

thank u