Answer:
D coordination
Explanation:
Coordination is knowing where the area of what you're gonna put is gonna be
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The answer to this question would be: vitamin D
The UV is needed by the skin to make previtamin D3. Previtamin D3 or cholecalciferol made from the skin will be changed in the liver into 25- hydroxyvitamin D3 and then sent to the kidney to be changed into 1,25- dihydroxyvitamin D3. The last change in the kidney will active the vitamin D. Vitamin D has a role in the calcium absorption which was will strengthen the bone tissue.
A. <span>abstinence
-</span><span>abstinence is behavioral because you are choosing not to be sexually active.</span>