mirjdjmpellott mirjdjmpellott
  • 12-11-2015
  • Biology
contestada

A substance that enters Earth's cycles and does harm to living things is
A. a pollutant.
B. freshwater.
C. hydrogen.
D. oxygen.

Respuesta :

MadiEhrhardt
MadiEhrhardt MadiEhrhardt
  • 12-11-2015
The answer is A. Pollutant

Answer Link

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