3 is your answer hope this helps
Ain’t is in fact a word. Tell her to look it up in the marium Webster dictionary. It’s a contraction for; am not, are not, or is not.
Answer:
A.
Explanation:
Try taking it out of the sentence and see if it can "stand alone."
Some oxegyn is realeased. Carbon then mixes with water making glucose. The carbo in the glucose is then oxidized to carbon dioxide. In fermentation starts after glucose is oxide and it makes glycosis!