Are the components of a solution fixed?

In all living cells dna controls cellular activities by

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What produces wave a)sound b) heats c)transfer of energy d)vibrations