Environment & Ecology · Environmental Science
निम्नलिखित में से कौन-सा एक वायु प्रदूषक नहीं है?
- 1सल्फर डाइऑक्साइड गैस
- 2निलंबित कणिकीय पदार्थ (SPM)
- 3कार्बन डाइऑक्साइड और कार्बन मोनोऑक्साइड गैसें
- 4एक्स-रे (X-rays)✓
सही उत्तर देखें
एक्स-रे (X-rays)
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