Ques 3. X are building blocks of the body. They are main components of various structures in the body, like muscles, nails, hairs, etc. What are X? Ques 4. Read the following passage carefully- P is found abundantly in cod liver oil and is important for visual efficiency. Q is sourced from amla, tomato and citrus fruits and its deficiency may cause wounds to take longer time for healing. R is formed in our body in the presence of sunlight. Its deficiency in toddlers may cause deformity of legs. Now select the incorrect option regarding this- a. P can be found in spinach but not R. b. In the absence of R our body will show calcium deficiency even if it is abundant in food. c. Q is also called B-complex as many of its varieties are available. d. P cannot be dissolved in water.
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Answer:
then it is carbon dioxide
Explanation:
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