Environment & Ecology · Environment
प्रदूषण स्तरों को मापने के लिए आमतौर पर किस इकाई का उपयोग किया जाता है?
- 1डेसिबल (dB)
- 2पार्ट्स प्रति मिलियन (PPM)✓
- 3ओम
- 4वाट
सही उत्तर देखें
पार्ट्स प्रति मिलियन (PPM)
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