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 is not an option for solving the world water crisis?a.desalinationb.finding new sources of freshwaterc.reducing overconsumptiond.wastewater treatment plants
Which of the following best explains the importance of water to humans? a. Water is essential for sustaining human life. b. Water is important for shipping and trade. c. Water is a valuable, profitable commodity. d. All of the above Please select the best answer from the choices provided
Which of the following human activities do not require water?a.agricultureb.household choresc.industryd.none of the above
Most people in cities get their water _______.a.by supplying it themselvesb.by delivery through pipesc.through private suppliersd.all of the above
The world’s supply of freshwater is increasing.
Which of the following is least likely to have difficulties with economic access to potable water?a.Zimbabweb.Australiac.Indiad.None of the above
The principle reason that most of North America and Europe do not have difficulties with access to potable water is their wealth.
The defining characteristic of potable water is that it _______.a.is used as tap waterb.can be used for washing and irrigationc.can be used and consumed without riskd.is delivered through pipes
Lakes and rivers constitute _______.a.87% of freshwaterb.a tiny fraction of Earth’s freshwaterc.a majority of Earth’s freshwaterd.a majority of water on earth
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