The answer is C.)<span> increase in available sunlight and decrease in available carbon dioxide
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External skeleton is the correct answer. Hope this helps out !
C.
It is d, becuase you divide 500 by 15, and that is the closest answer
<span>What is the hematocrit value for the healthy male living at sea level in Boston? The Answer is </span>48 for males and 55 for a female.