Biology · Human Body Composition
मानव शरीर के कुल द्रव्यमान में औसतन ऑक्सीजन तत्व का प्रतिशत लगभग कितना होता है?
- 135%
- 265%✓
- 343%
- 410%
सही उत्तर देखें
65%
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