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Mathematics 13 Online
OpenStudy (anonymous):

Which did not contribute to New York city's terrible pollution problems in the late 1800s? A. Pneumatic Subway B. Insufficient Sanitary Services C. Oil Refineries D. Hot and Pig Manure WILL GIVE FAN AND MEDAL TO CORRECT ANSWER(S)

OpenStudy (holly00d1248):

Dis a History Q

OpenStudy (anonymous):

How do I change my subject????? @Holly00d1248

OpenStudy (holly00d1248):

O srry you go to da top left hand corner and click on find more subjects den pick which subject

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