The spatial distribution of air quality nonattainment areas in the US is a result of

A) emissions.
B) population.
C) geographical features.
D) emissions, population, geographical features and meteorological conditions.


Answer: D

Environmental & Atmospheric Sciences

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a. cool pocket b. dust bowl c. heat island d. wind tunnel e. heat island and wind tunnel

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Which of the following terms means "weak sphere"?

A) hydrosphere B) cryosphere C) asthenosphere D) lithosphere

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The motion of a star can be determined using the ________ effect

Fill in the blank(s) with correct word

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Which of the following is not a function that humus and other organic matter serve in making a soil healthy?

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