Question

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

Answer 1

A) wastewater discharge from hydroelectric power plants was a major cause of environmental pollution in American cities during the late 1800s.

Answer 2

A major cause of environmental pollution in American cities during the late 1800s was "a. wastewater discharge from hydroelectric power plants" since this was a major issue in the Industrial Revolution.