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History 10 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 (anonymous):

Come one please help me out here anyone!! Giving medal and fan!!

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