Which was major cause of environmental pollution in American cities during the late 1800s?
A.coal-fired stoves, factories, and power plants

B.
diesel-powered railroad locomotives

C.
electric-powered streetcars

D.
internal-combustion engines in automobiles

Question

Which was major  cause  of  environmental pollution in American cities during the late 1800s?
  A.coal-fired stoves, factories, and power plants

B. 
  diesel-powered railroad locomotives

C. 
  electric-powered streetcars

D. 
  internal-combustion engines in automobiles

anonymous · Answer

I think its A because  the others weren't wide spread enough to have a big impact on pollution

anonymous · Answer

Thank you  for  help   to   answering   my  question

anonymous · Answer

yup

anonymous · Answer

Which era did  Mark  Twain refer to as a  time  of ridiculous  excess 

  A. 
  the Civil War   
   

 
 

  

  B. 
  the Gilded Age   
   

 
 

  

  C. 
  the Wild West   
   

 
 

  

  D. 
  the Roaring Twenties

anonymous · Answer

I think B