How does the movement of particles of matter change when matter goes from solid to liquid?

When particles change from a solid to a liquid they start to move around a lot of faster and dont just stay in one block which is why if you were to pour a liquid into a tub it would fill the whole tub and not just one small part. Their kinetic energy is higher.

A.(nh4)(2co3)is the correct answer 

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.