Answer:
the answer is 5 I think that because I do
<h2>Hey there! </h2>
<h2>The correct option is:</h2>
<h3>B. It is needed for cellular respiration. </h3>
<h2>Explanation:</h2>
<h3>Because, it plays an important role in cell development. </h3>
<h2>Hope it help you </h2>
This statement is correct. true.
Because it was harder to travel over moountains.
