True/False Indicate whether the
statement is true or false.
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1.
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One problem with phosphorus in a body of water is that the nutrient is
continuously used and reused within the system. It takes quite a bit of time for the phosphorus level
in a body of water to return to where they once were.
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2.
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The application of fertilizers to fields by agricultural producers is rarely a
source of excess nitrogen and phosphorus that can be found in water.
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3.
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Pesticides used to a water pollution problem but new pesticides are safe and
never pose any type of water pollution threat today.
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4.
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Mining releases many heavy metals into the environment that can be toxic, such
as mercury.
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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5.
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Which is not a type of pesticide, as discussed in class, that is a potential
surface water contamination threat?
a. | bacteriacide | b. | insecticide | c. | herbicide | d. | fungicide |
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Completion Complete each
statement.
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6.
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The excess enrichment of water by nutrients is known as
________________________.
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Short Answer
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7.
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What are the three reasons why plastics are such a solid waste pollutant problem
in water?
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8.
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What is biomagnification?
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Essay
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9.
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Explain why excess nitrogen and phosphorus in water can be a severe problem for
an aquatic environment? (double value question)
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