Answer:
the 4th one The lumen, is my guess
DescriptionPopulation density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.
If the ocean temperature is really hot, it can kill certain marine organisms.
Interphase is the process in which the cell prepares for mitosis, but I don’t know if that is what you were asking. Hope this helps
It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
