Question

In solids, the constituent particles are (be) very closely packed. They cannot
from one place to another, but only
(vibrate) about their mean​

Answer 1

Answer:

In solids, the constituent particles are very closely packed. They cannot move from one place to another, but only vibrate about their mean positions. When one end of the spoon is heated, the particles at that end absorb heat energy and start vibrating more rapidly.

Answer 2

Answer:

In solids, the constituent particles are very closely packed. They cannot move from one place to another, but only vibrate about their mean positions. When one end of the spoon is heated, the particles at that end absorb heat energy and start vibrating more rapidly.