A test that is very important in the start-up of aquaponics tanks, but is a reading that needs to go down after an extended amount of time. If it stays high it is a fright.

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point