ashlchoaders
ashlchoaders ashlchoaders
  • 15-12-2015
  • Biology
contestada

A substance that enters Earth's cycles and does harm to living things is
a. a pollutant.
b. hydrogen.
c. freshwater.
d. oxygen.

Respuesta :

peachsnowflake peachsnowflake
  • 15-12-2015
A pollutant because hyrdogen, freshwater and oxygen are all substances in which don't harm the earth's cycles
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Prettigirlcrazi95
Prettigirlcrazi95 Prettigirlcrazi95
  • 21-01-2019

............a pollutant...  

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