Biology · Natural Resources
________ एक कार्बनिक रत्न है जो मोलस्क और सीप जैसे समुद्री जीवों से प्राप्त होता है।
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- 2मोती (पर्ल)✓
- 3क्वार्ट्ज
- 4नीलम (सैफायर)
सही उत्तर देखें
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