Environment & Ecology · Environmental Studies
3R सिद्धांत में तीन R का क्या अर्थ है?
- 1रिड्यूस, रीयूज, रीसायकल✓
- 2रिकवर, रीयूज, रीसायकल
- 3रिड्यूस, रिकवर, रीसायकल
- 4रिड्यूस, रीयूज, रिकवर
सही उत्तर देखें
रिड्यूस, रीयूज, रीसायकल
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