isabellaoliver4403 isabellaoliver4403
  • 19-12-2017
  • Biology
contestada

What are the main pollutants that contribute to hypoxia in water?

A. organic chemicals

B. infectious agents

C. plant nutrients

D. metals

Respuesta :

Estiana Estiana
  • 19-12-2017
I think the answer is B. Infectious agents. 
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