Answer:
Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.
Explanation:
It is semi-permeable and it allows molecules to diffuse inside.
<em>Feel free to mark it as brainliest :P</em>
c
because it's causing harm to the human but the tapeworm is benefiting from it
The answer is <u>B.</u> <em>from carbon dioxide in the atmosphere</em>
The reaction is given by
