shannamarion shannamarion

21-02-2017
Biology

contestada

Which gas makes up the largest amount of smog around cities?
A. sulfur oxides
B. carbon dioxide
C. carbon monoxide
D. nitrogen Oxides

Respuesta :

colindrew99 colindrew99

19-03-2018

Carbon Monoxide, which is C, I put that and got it right.

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daltonblevins90 daltonblevins90

23-01-2019

C. carbon monoxide you're welcome!!!

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