Question

hich did not contribute to New York City's terrible pollution problems in the late 1800s? A. pneumatic subway B. horse and pig manure C. oil refineries D. insufficient sanitary services

Answer 1

A.

Step-by-step explanation:

I took the test on k12! Even though there is more than one answer. I dont remember it.

Answer 2

Since a pneumatic subway is powered by air pressure, that would be the answer.