If a solution is not agitated while it is being made, dissolved solute tends to a raise the temperature of the solvent. b build up in the solvent near the solute. c mix uniformly. d build up in the solvent far from the solute.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms

the answer is c.the valence of the atoms combine .