Ground level ozone is

A. not regulated.
B. found only in rural areas.
C. a significant source of air pollution and contributes to the formation of smog.
D. a significant source of air pollution and contributes to the increase in the ozone hole.


Answer: C

Environmental & Atmospheric Sciences

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Benthic plants that live on the seafloor are called __________ and benthic animals that live on

the seafloor are called __________. Fill in the blank(s) with the appropriate word(s).

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List and describe the three basic types of seafloor sediments. Give at least one example of each

What will be an ideal response?

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Biochemical oxygen demand is the amount of oxygen needed

A. for aerobic breakdown of organic matter in a system. B. by humans to breathe. C. to destroy all chemical pollutants in a system. D. by all organisms in a system, both plants and animals.

Environmental & Atmospheric Sciences

Rates of primary productivity in the open ocean are about the same as ________.

A. intensive agriculture regions B. deserts and grasslands C. rainforests D. pastures

Environmental & Atmospheric Sciences