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Match acid rain with one or more of subs...

Match acid rain with one or more of substances given below: CFC, Nitrogen oxide, Sulphur oxide, PEG.

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### Step-by-Step Solution: 1. **Understanding Acid Rain**: - Acid rain is defined as precipitation with a pH of less than 5. It is caused by the emission of acidic gases into the atmosphere. 2. **Identifying Key Substances**: - The question provides a list of substances: CFC, Nitrogen oxide, Sulphur oxide, and PEG. We need to identify which of these are associated with acid rain. ...
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