When pure water and sodium chloride combine, what do they create?

saline solution

Explanation:

When you mix pure water and salt(sodium chloride) you will make a saline solution. Saline solution with 0.9% concentration is used frequently in the medical field for resuscitation fluid because it will have same molarity with the body fluid, so it won't induce fluid exchange caused by osmosis.

saline solution is created

b i think it’s a water wheel turning in a stream