Biology · Human Nutrition
मजबूत दांतों के विकास और रखरखाव के लिए कौन सा पोषक तत्व सबसे आवश्यक है?
- 1कैल्शियम✓
- 2विटामिन C
- 3फ्लोराइड
- 4विटामिन K
सही उत्तर देखें
कैल्शियम
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