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.

Answer Link

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