Question

What were sources of urban pollution in the late 1800s?

Choose all answers that are correct.


overcrowded slums


coal-powered factories


hydroelectric power plants


horse-drawn transportation

Answer 1

overcrowded slums

coal-powered factories

horse-drawn transportation

Step-by-step explanation:

Answer 2

I know for a fact that it is the coal and overcrowded and not horse drawn transportation, but I am not sure about the plants. So I would go with overcrowded slums and coal-powered factories