Computer · Environmental Engineering
बच्चों में दंत क्षय (Dental caries) मुख्य रूप से तब देखा जाता है जब पीने के पानी में फ्लोराइड का स्तर कितना होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.0 mg/l से अधिक
- 22.0 mg/l से 3.0 mg/l के बीच
- 31.5 mg/l से 2.0 mg/l के बीच
- 41.0 mg/l से कम✓
सही उत्तर देखें
1.0 mg/l से कम
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