Question

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

Answer 1

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

Answer 2

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.