To change a liquid to a solid energy must be

It must be Energy is required to melt a solid because the cohesive bonds between the molecules in the solid must be broken apart so that the molecules can move around at comparable kinetic energies; thus, there is no rise in temperature. I hope this helps

Explanation:

there is often only a small difference between what is legal and what is ethical when working with competitive intelligence..

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'