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.
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Stating that a county has 100 persons per square mile is a measure of ________.
A. pattern B. concentration C. dispersion D. density
Most Africans make their living from the following except
A. herding B. cultivating C. manufacturing D. hunting
Religion is a good example of the tension between globalization and local diversity because
A) migrants leave their religion behind when they migrate to a new area. B) religion always represents the most traditional worldviews of a population. C) many people follow more than one religion. D) all religions are in competition to convert as many people as possible. E) religion represents core cultural values and beliefs that may conflict with others.
The ________ climates are land-controlled climates, the result of broad continents in the middle latitudes
A) A B) B C) C D) D E) E