What is hypoxia?

a. The increase of carbon dioxide in an area
b. The depletion of oxygen in an area
c. The decrease in nutrients in an area
d. The increase of nitrogen in an area


ANS: B
The algal cells that occur during eutrophication deplete the oxygen content of the surface zone at night.
Hypoxia can lead to massive fish deaths due to the lack of oxygen. Information can be found in the
section Marine Pollutants May Be Natural or Human Generated.

Environmental & Atmospheric Sciences

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A) A B) B C) C D) D E) E

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Religion is a good example of the tension between globalization and local diversity because

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Stating that a county has 100 persons per square mile is a measure of ________.

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Environmental & Atmospheric Sciences