The correct answer would be option D, 2.
There are Two classes of Vitamins.
Explanation:
Vitamins are compounds which are organic in nature. These are important and useful and essential in the growth and nutrition. Vitamins are taken in small quantities on daily basis because body cannot synthesize them immediately.
There are two broad classes of Vitamins.
- Water Soluble Vitamins
- Fat Soluble Vitamins
Water soluble vitamins mix with the blood stream and are not stored at any place inside the body. They are neither stored nor removed out of the body. There are 9 Water Soluble Vitamins present. These vitamins are as follows:
Fat Soluble Vitamins are vitamins that are stored in the fatty Tissues of the Body. There are 4 Fat soluble vitamins. These are:
- Vitamin A
- Vitamin D
- Vitamin E
- Vitamin K
Learn more about Vitamins at:
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The answer is A) Density is a measure of an object's mass per unit volume.
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