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I need help on these questions?

§ May 25th, 2010 § Filed under osteoporosis exercise § Tagged help, NEED, Questions, These § 2 Comments

1)The mineral that’s least often deficient in anyone’s diet is
a) iodine b) zinc c) calcium d) phosphorus

2) Which is not a risk factor for osteoporosis?
a) Lack of exercise b) Use of diuretics c) Alcohol consumption d) Smoking

3) Which nutrient most enhances iron absorption?
a) Vitamin D b) Biotin c) Calcium d) Vitamin C

Would really appreciate the help!! Thank you.
Thanks but I figured out the answers and got them right.