Bio1151 Chapter 3 Water and the Fitness of the Environment
  1.        is the biological medium here on Earth.

  2. Water is a        molecule, and its numerous           bonds result in unique properties.

  3. Water can dissociate into H+ (hydrogen) and OH- (hydroxide)       .

    • The concentration of these ions is measured on the     scale.

    •          such as carbonic acid minimize changes in pH.

    •       precipitation is caused primarily by the combustion of         fuels.