The nucleus contains most of the genetic material, or DNA, of the cell.
Answer:
C
Explanation:
Plants and Animals breathe in carbon and convert the carbon molecules into oxygen!
Answer:
At the very bottom
Explanation:
When examining a cross section of rock layers, the oldest layer is on the bottom. This is because over time, newer rock layers continued to form on top of the oldest one.
Answer:
Natural selection.
Explanation:
Natural selection is when organisms who are most adapted to their environment survive and pass on their genes while those with "unfit" genes die and don't get the chance to reproduce! This slowly creates a population that is most well suited to their habitat. Hope this helps again LOL! :)
The answer to your question is


Enzymes help break down carbohydrates, fats, and proteins.
I hope this helps!