Environment & Ecology · Environment
निम्नलिखित में से किसे प्राथमिक वायु प्रदूषक माना जाता है?
- 1ओजोन
- 2पेरोक्सीएसिटाइल नाइट्रेट (PAN)
- 3नाइट्रोजन ऑक्साइड✓
- 4सल्फ्यूरिक एसिड
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