Answer:
the answer is b.The model should show the original stem cell dividing to become a differentiated cell and another stem cell.
Explanation:
Hello!
your answer is A. How much energy is used to make one paper bag?
the word "should" is a giveaway of B, C, and D being questions for personal opinions. everyone has different views on what SHOULD be, so if you asked 100 people, chances are you'd get many different answers.
A can only have one possible answer.
(I don't know the answer to how much energy is used to make one paper bag so let's just leave it at that, shall we?)
I hope this helps, and have a nice day!
<span>Facilitated diffusion
Diffusion
occurs because of the movement of molecules from the region of higher
concentration to the region of lower concentration. This movement of
molecules occurs due to a thermal motion. Diffusion normally occurs
between two compartments having difference in concentration. In case of
fluid it moves from the region of higher concentration to the region of
concentration until a balance is reached. The process of diffusion is
very important for the humans as well. The oxygen that humans breathe in
gets diffused with the blood.<span> </span></span>
D. pressure from lava being pushed up from th earth adds new material to the ocean floor, creating a ridge
