Acid rain is mainly caused by sulfur dioxide and nitrogen oxides released from industries, power plants, and vehicles. These gases react with water vapor in the atmosphere to form sulfuric and nitric acids, which fall as acid rain.
The main gases that produce acid rain are:
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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.