Answer:

5. water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. This is important to every living thing on earth.

6. liquid-A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.