BIOLOGY
VITAMINS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Vitamin D
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Fluoride
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Potassium
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Vitamin E
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Detailed explanation-1: -The mineral fluoride occurs naturally on earth and is released from rocks into the soil, water, and air. All water contains some fluoride. Usually, the fluoride level in water is not enough to prevent tooth decay; however, some groundwater and natural springs can have naturally high levels of fluoride.
Detailed explanation-2: -Types of Fluoride Additives Fluorosilicic acid: a water-based solution used by most water systems in the United States. Fluorosilicic acid is also referred to as hydrofluorosilicate, FSA, or HFS. Sodium fluorosilicate: a dry salt additive, dissolved into a solution before being added to water.
Detailed explanation-3: -Globally, the primary source of fluoride intake is food and almost all foodstuffs contain traces of fluoride. The levels of fluoride in meat, fruits and vegetables are usually low. However, it is high in canned fishes such as salmon and sardines.