Environmental Science – Flashcards
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Which of the following is least likely to have difficulties with economic access to potable water?
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Australia
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Which of the following is not a way that nonnative organisms are introduced to new aquatic ecosystems related to commerce?
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migration
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The defining characteristic of potable water is that it _______.
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Can be used and consumed without risk
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Groundwater overdraft occurs when _______.
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The rate of use exceeds the rate of replenishment
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Surface water standards for recreation are determined by the Clean Water Act.
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True
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Why might it be beneficial to regulate what species of plants and animals people are allowed to own in particular environments?
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Some species might become invasive and destructive if they escaped.
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Aquifers are _______.
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All of the above
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Which of the following is not an option for solving the world water crisis?
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Finding new sources of freshwater
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What is the greatest use of groundwater?
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Agriculture
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Potable water delivery systems are characterized by _______.
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High infrastructure
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Australian aborigines could not use wells in the desert due to lack of groundwater.
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False
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Where is the water table located?
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At the top of the saturated zone
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Which of the following statements about desalination is true?
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Desalination is less expensive than water reclamation
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Which of the following is not an example of mechanical control of nonnative species?
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Pulling
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The negative impacts of nonnative species generally outweigh the positive impacts.
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True
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Freshwater is used principally as drinking water.
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False
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Which of the following is a way in which water resources are consumed?
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All of the above
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Which of the following processes requires separate plumbing?
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Greywater use
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Which of the following regulations is the primary law regarding water pollution?
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The Clean Water Act
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Which of the following is true concerning hull fouling from commercial shipping and recreational boating?
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It is difficult to prevent since ship hulls begin, conduct, and end voyages in water.
