I think that the answer is 12 billion. So sorry if I am not right.
Answer:
Food is rearranged through chemical reactions, forming new molecules that release energy as this matter moves through an organism. Molecules are broken apart and put back together to form new substances, and in this process, energy is released.
Explanation:
Hope this helps! :)
It is a form of preparation for the unexpected
Answer: Catabolic reactions.
Explanation:
Catabolic reactions like cellular respiration and digestion breaks down food materials (through hydrolysis) such as fats, carbohydrates and proteins to release energy in form of ATP and NADPH.
It gives the plant air and food