Which of these chemicals had the greatest reduction in emissions as a result of the Clean Air Acts?

A. lead (Pb)
B. ozone
C. sulfur dioxide
D. nitrogen oxides


Answer: A

Environmental & Atmospheric Sciences

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What feature originates where the water table intersects the land surface?

What will be an ideal response?

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What have been some of the different erosional impacts of glaciers, running water, wind, and wave action on the geomorphology of the American and Canadian West?

What will be an ideal response?

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A decline in economic and community and deterioration of infrastructure is known as urban ________

A) death B) growth C) decay D) planning E) sprawl

Environmental & Atmospheric Sciences

Most European cities have downtowns that are losing their economic vitality

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences