Drinking non-potable water does not carry significant health risks.
Which of the following is a consequence of water polluted by human sewage?a.pathogensb.disease vectorsc.high levels of contaminantsd.all of the above
Which of the following is least likely to have difficulties with economic access to potable water?a.Zimbabweb.Australiac.Indiad.None of the above
In developed nations, the water delivered to homes by pipe is generally potable.
The world’s supply of freshwater is increasing.
Ocean water is sometimes referred to as saline water as it contains significant concentrations of dissolved salts. Please select the best answer from the choices provided
Which of the following most significantly determines a community's access to potable water? a. access to clean raw water sources b. the availability of money c. local drought conditions d. the level of industrial development Please select the best answer from the choices provided
The principle reason that most of North America and Europe do not have difficulties with access to potable water is their wealth.
Which of the following best describes the availability of freshwater on Earth?a.Less than 1% of Earth’s water is liquid freshwater.b.More than two thirds of Earth’s freshwater is stored in glaciers and icecaps.c.99% of liquid freshwater on Earth is stored as groundwater.d.All of the above.
Which of the following best explains why humans need constant supplies of fresh water?a.Humans need a constant supply of water to provide them with essential vitamins.b.Humans need a constant supply of water to maintain proper hygiene.c.Constant supplies of freshwater are needed because body water is continually being lost.d.Constant supplies of freshwater are not actually necessary for survival.
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