Water can exist in three states: solid (ice), liquid and gas (steam).In which state, or states, is the motion of the molecules only vibrational?

solid

Explanation:

In the solid state, the motion of molecules is only vibrational, because solids are very tightly packed together and cannot move other than by vibrating

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it