You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just dissolves in the water, but suddenly it begins to pile up at the bottom of the glass. Which statement is true?

Select one:

a. The water is unsaturated.

b. The sodium chloride has increased the temperature of the water.

c. The water is saturated.

d. The sodium chloride has decreased the temperature of the water.