Food moves through your GI tract by a process called peristalsis. The large, hollow organs of your GI tract contain a layer of muscle that enables their walls to move.
1. Bigger and toxic molecules are prevented from entering the cell
2. It’s protects the cell from swelling up due to osmosis
Bad
1. Sometimes density variations cause abnormal changes
2.it’s only good for living cells
The answer to this question is C. URANIUM, although it is dangerous in other ways, it does not release co2
I'm gonna say D is the answer.
