The cell membrane is very important to the cell structure. It helps hold everything within the cell and serves as a protective covering as well.
Answer:
I believe the answer is B
...the results of natural and unnatural processes, and of interactions of the physical components of the planet on the environment.
plz mark me as brainliest :)
B - the lion eats the grass—it cannot be A. because grass gives off o2 not co2
