Suppose you are pouring a liquid into a beaker using a burette to cause a chemical reaction that will result in a color change. The initial reading of the liquid in the
burette was 15.2 mL and the final reading was 62.6 mL. What volume of liquid in the
burette was added to the beaker?

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.