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OpenStudy (anonymous):
Which was a major cause of environmental pollution in American cities during the late 1800s? A. electric-powered streetcars B. internal-combustion engines in automobiles C. diesel-powered railroad locomotives D. coal-fired stoves, factories, and power plants
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OpenStudy (anonymous):
coal-fired stoves, factories, and power plants
OpenStudy (anonymous):
my guess is D
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