A. Sulphur di-oxide
B. Carbon di-oxide
C. Chloro-fluoro-carbon
D. Smog
Correct Answer: Chloro-fluoro-carbon ✔
Last Updated: May 23, 2024
A. Sulphur di-oxide
B. Carbon di-oxide
C. Chloro-fluoro-carbon
D. Smog
Correct Answer: Chloro-fluoro-carbon ✔
Last Updated: May 23, 2024