Chemistry · Carbon and its Compounds
पृथ्वी की भूपर्पटी (क्रस्ट) में खनिजों के रूप में केवल ______ कार्बन मौजूद है।
- 10.02%✓
- 27.8%
- 30.3%
- 421%
सही उत्तर देखें
0.02%
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