What is the function of the cell wall?

What is one disadvantage of desalination? a - the process kills fish. b - the process uses fuel that is expensive. c - the process makes water that is unsafe to drink. d - the process is too difficult to carry out in big cities. quick taking a !

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

In each transformation of energy , some energy what?