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Biology, 01.06.2021 17:40 karlamiddleschool
Emissions of all the following have declined since 1970 EXCEPT
A. Small Particulate Matter (PM10)
B. sulfur dioxide
C. ground level ozone
D. nitrogen dioxide
E. carbon dioxide
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Answers: 1
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Emissions of all the following have declined since 1970 EXCEPT
A. Small Particulate Matter (PM10)
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