When salt is dissolved in water, water is the
a. reactant.
c. solute.
b. solution.
d. solvent.

The best answer is d - solvent

A solvent is a substance, usually a liquid, in which other materials dissolve to form as solution.

In this case, water is the solvent while salt is called the solute, the substance being dissolved. When this happens a solution is formed.

Usually the solvent is the substance that makes up majority if the solution, while the solute is the substance that makes up the minority of the solution.

Salt dissolved in water forms a solution called brine.

answer; i believe the answer is hydraulic action;

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.