![](data:image/svg+xml;charset=utf-8,<svg height="300px" width="600px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
Automobile exhaust causes respiratory problems because of the presence of
Options
(a) CO
(b) CH₄
(c) chlorine
(d) NO₂
Correct Answer:
CO
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
