Environment & Ecology · Environmental Science
निम्नलिखित में से प्राथमिक वायु प्रदूषक (primary air pollutant) का चयन करें।
- 1ओजोन
- 2प्रकाश रासायनिक धुंध (Photochemical smog)
- 3एरोसोल
- 4सल्फर डाइऑक्साइड✓
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सल्फर डाइऑक्साइड
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