Vitamins are essential compounds that must be acquired through the diet
because the body can't synthesize them. One of the reasons vitamins are
needed is because they play an indirect role in catalysis, in which
enzymes speed up chemical reactions. :D
His skin was the line of defense that was broken. Hope this helps.
they are only for driving on the highway
Your answer would be c, <span>check all mechanical and structural components regularly
</span>
Answer: 46, 56, Female aged 19 to 30, and Both their carbon and protein needs