Environment & Ecology · Environmental Pollution
वायु प्रदूषण के मानकों जैसे कि PM2.5 के संदर्भ में, '2.5' का क्या अर्थ है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.5 nm और उससे कम आकार के कणीय पदार्थ
- 22.5 μm और उससे कम आकार के कणीय पदार्थ✓
- 3औसत आकार 2.5 μm के कणीय पदार्थ
- 4सटीक रूप से 2.5 μm आकार के कणीय पदार्थ
सही उत्तर देखें
2.5 μm और उससे कम आकार के कणीय पदार्थ
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