Environment & Ecology · Environmental Pollution
निम्नलिखित वायुमंडलीय प्रदूषकों में से किसे द्वितीयक प्रदूषक (Secondary Pollutant) के रूप में वर्गीकृत किया गया है?
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- 3नाइट्रोजन ऑक्साइड
- 4ओजोन✓
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