1 .		Chlorination is intended to protect drinking water from
2 .		The majority of the water on earth is found in
3 .		All the land that contributes water to a particular stream or river is the
4 .		A mixture of fresh and salt water typically found where rivers meet the ocean is called what?
5 .		Water purification in which detritus feeders and decomposers feed upon organic matter is called what?
6 .		Drinking water wells near coastlines may become unusable because of rising salt content of the water. This phenomenon is known as what?
7 .		The typical U. S. residential use of water per person per day is approximately how many gallons (liters)?
8 .		The Ogallala aquifer is not an important water resource for which state?
9 .		There are three main "loops" in the hydrologic cycle. These are [Hint]
10 .		The main difference between consumptive and nonconsumptive water use in that in the former, water [Hint]
11 .		In most major systems like the Mississippi River, water is used _______ . [Hint]
12 .		Which of the following is not a viable way of reducing residential water use? [Hint]
13 .		Which of the following statements is false? [Hint]
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