Ques:Question: what is the purpose of vitamin d I found the following answer on Google: The evidence indicates that the synthesis of vitamin D from sun exposure works in a feedback loop that prevents toxicity but, because of uncertainty about the cancer risk from sunlight, no recommendations are issued by the Institute of Medicine , USA, for the amount of sun exposure required to meet vitamin D requirements. Is that a correct answer? Yes or no.

Ans:No
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Ques:Question: how many muscles in the human body I found the following answer on Google: Examples range from 640 to 850. Is that a correct answer? Yes or no.

Ans:No
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Ques:Question: what is human skin made of I found the following answer on Google: Severely damaged skin may heal by forming scar tissue . Is that a correct answer? Yes or no.

Ans:No
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Ques:Question: how much does it cost to set up hydroelectric I found the following answer on Google: Hydro is also a flexible source of electricity since plants can be ramped up and down very quickly to adapt to changing energy demands. Is that a correct answer? Yes or no.

Ans:
No
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