Ask your own question, for FREE!
History 20 Online
OpenStudy (anonymous):

help!medal and fan!

OpenStudy (anonymous):

what do you need help with?

OpenStudy (anonymous):

@taylor! What do you need help with?

OpenStudy (anonymous):

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

OpenStudy (anonymous):

large numbers of horses used for transportation. Sanitation was becoming better understood in the 1800s. [ They were beginning to realize that human and animal waste, along with uncared for garbage, were a major contributing factor in viral and bacterial epidemics.

OpenStudy (slinley):

Im not sure aboout that one @taylor!

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!