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Match List I with List II. List I A. Nitrogen oxides in air B. Methane in air C. Carbon dioxide D. Phosphate fertilisers in water List II I. Eutrophication II. pH of rain water becomes 5.6 III. Global warming IV. Acid rain Choose the correct answer from the options given below :

1. A-II, B-III, C-I, D-IV
2. A-I, B-II, C-III, D-IV
3. A-IV, B-III, C-II, D-I
4. A-IV, B-II, C-III, D-I

Correct answer: A-IV, B-III, C-II, D-I

Solution

Nitrogen oxides contribute to the formation of acid rain, methane is a potent greenhouse gas that contributes to global warming, carbon dioxide is a significant factor in climate change and affects the pH of rainwater, and phosphate fertilizers lead to eutrophication in water bodies.

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