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The correct answer is B. Cholestrol and Vitamin D.
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Answer: I believe the answer to be a.
Explanation: The symptoms listed are cause of a urinary tract infection, so the most likely answer would have to do with the one having to do with the urinary tract and can often cause a very hideous infection.
Provide commercial/recreational opportunities without adversely impacting wild populations (i.e. overharvest).
Since one of two ( or both ) parents carry the CF gene found in chromosome 7, that can therefore leave the child suffering from Cystic Fibrosis.
My best answer would be E<span>ukaryotic</span>
