Damaruschereji Damaruschereji

14-07-2017
Biology

contestada

6. A substance that enters Earth's cycles and does harm to living things is

A. oxygen.
B. hydrogen.
C. freshwater.
D. a pollutant.

Respuesta :

larissastrong45 larissastrong45

14-07-2017

C Pollutant just like emissions or oil spills

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