Medicine Flourine levels intake required for development of Skeletal Fluorosis A 1.0 - 2.0 ppm B 2.0 - 3.0 ppm C 3.0 - 6.0 ppm D 6-9 ppm 💡 Explanation Flourine levels intake required for development of Skeletal Fluorosis ✓ Correct Answer: C. 3.0 - 6.0 ppm