Biology · Human Anatomy
दांतों की कठोर इनेमल परत मुख्य रूप से किस यौगिक से बनी होती है?
- 1सोडियम सल्फेट
- 2कैल्शियम ऑक्सालेट
- 3हाइड्रॉक्सी एपेटाइट✓
- 4कैल्शियम कार्बोनेट
सही उत्तर देखें
हाइड्रॉक्सी एपेटाइट
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