Q.

The human body needs the following vitamins. Arrange them in the increasing order of their requirement.
1. Vitamin A 2. Vitamin D 3. Vitamin E 4. Vitamin K
(a)4, 3, 2, 1 Right sign
(b)1, 2, 3, 4
(c)4, 2, 1, 3
(d)3, 1, 2, 4
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