Answered

Which was a major cause of environmental pollution in American cities during the late 1800s?

Adust storms blowing in from the Great Plains
Bchemicals used in dry cleaning shops
Cwastewater discharge from hydroelectric power plants
Dlarge numbers of horses used for transportation

Verified Answer :

One of the major causes of environmental pollution in American cities during the late 1800s was "c. wastewater discharge from hydroelectric power plants," since this was part of the Industrial Revolution. 

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