The nutrient that provide 4 cal per gram that is needed to build and repair body tissue is Protein
A is the central nervous system and i think b is the peripheral nervous system
Answer:
See explanation below.
Explanation:
From the definition of adjacent angles, the sum of measure of all the adjacent angles on a horizontal line equals to
.
From the given figure, we have:

And from the definition of alternate angles, we have:

<span>Force and leverage help to explain how the body works. Force helps the body to<span> move in space as it acts against the air around it. Leverage helps the body stay</span><span> upright.</span></span>