A cube has a mass of 30 g. Its side (length) measures 9 cm is placed in a 4,300 mL liquid, which has a mass of 1000 g. Which substance has a higher density? When the cube is placed in the liquid, will it sink or float?

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.