3 years ago

A lack of Vitamin D is said to be detrimental to the maintenance of bone density. If a

2 answers:

8 0

D is also a good option because when their little production of vitamin D we can easily determine what is the effect of this experiment to the bone density...

Ierofanga [76]3 years ago

4 0

I would do B because then you can compare people who do take Vitamin D to people who don't and then you can see who has better bones and the effects.

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