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Industrial Pollution and Air Quality
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AP World History
APWH.354 Industrial Pollution and Air Quality
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Why are steel, cement, and electricity often discussed together in histories of twentieth-century air pollution?
A
They were foundational to modern industrial economies and often depended on energy-intensive processes that released pollutants.
B
They were all produced without machinery, fuel, or transportation.
C
They mattered only before 1750 and disappeared in modern economies.
D
They cleaned air by absorbing smoke from other industries.
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