should be control variable
It should be b) perihelon !!
it describes things in orbit closest to the sun
Answer:It affects the diffusion across a membrane
Explanation:
Since this is placed in the AP section, I assume it is AP Biology, which the syllabus puts emphasis on diffusion
The smaller the ratio is, the bigger the cell. SO, if the ratio is small enough, the molecule will not be able to diffuse through the membrane. Keep that in mind when you calculate different rations using the radius.
A because it gives historical details
Answer:
I do not know why he keeps answering you
