Much progress in reducing atmospheric levels of lead pollution has resulted from ________

A) the development of new types of batteries that use lithium instead of lead
B) new types of lead scrubbers on smokestacks that removed lead from the power plant emissions
C) the elimination of leaded gasoline
D) the switch from lead to graphite in pencils


C

Environmental & Atmospheric Sciences

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a. True b. False

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The Grand Canyon, Ozark dome, Black Hills, and Adirondacks expose ________.

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Complete Table 18.1 for any three of the above eruptions. How much of an effect do these eruptions have on global temperatures? How much do they change global temperatures? How many years does it take for the climate to return to a normal temperature after a major eruption?

Environmental & Atmospheric Sciences