Form a hypothesis sharks don't have swim bladders and must move constantly or they sink. hypothesize about the amount of food that a shark must eat compared to the amount eaten by a bony fish of the same size

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.