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WILL GIVE 30 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


1. How did the ecosystem around the Muskegon River change around 1900?

2. How had the ecosystem around the Muskegon River changed by 1950?

3. What is only now showing up in the Muskegon River? How can researchers know where this pollution came from?

Respuesta :

catwhite535
1) water pollution 

2) soil and water 

3) watershed and the researchers know that the water pollution came from by 1- untreated smoke from factories 
2- carbon dioxide emissions
Fashiondiva88

1) It was effected by water pollution

2) The soil and water

3) Sadly the river was effected by pollution from the unrestrained factories of our modern time.