Why we say freezing is the reverse of melting

Energy is required to change a solid to a liquid. The reverse of this process is called freezing. Freezing is the change from a liquid to a solid state. Because freezing is the reverse of melting, a substance will freeze at the same temperature at which it melts.

Explanation:

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus