Question

h items in Column A with those in Column B :
Column 'A'
Column 'B'
1. | Acid rain
2. Global warming
3. Inflammable substances
(a) CNG
(b) | Oxides of sulphur and nitrogen
(d) Increased concentration of CO,
in air
(e) Petrol
4.
Cleaner fuel​

Answer 1

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