MCQ
Factors of acid rain are :
- ACO and $\mathrm{CO}_2$
- B$\mathrm{NO}_2$ and $\mathrm{SO}_2$
- ✓$\mathrm{CO}_2$ and $\mathrm{NO}_2$
- D$\mathrm{N}_2$ and $\mathrm{NO}_3$
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