unkown211
unkown211 unkown211
  • 01-11-2017
  • Health
contestada

Engine exhaust, industry, domestic heating, volcanic eruptions are all sources of:

A) Ozone
B) Sulfur dioxide
C) Carbon dioxide
D) CFCs

Respuesta :

jamesshroyer01 jamesshroyer01
  • 01-11-2017
I think the answer is A.
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