Answer:
D. Osmosis
Explanation: a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.
"The rotating part of the microscope at the bottom of the body tube; it holds the objectives." -utahscience.oremjr.alpine.k12.ut.us
Radius temperature and brightness
Aceibitorshope this helps
Parasympathetic nerves govern involuntary actions such as pupil dilation, peristalsis, gland secretions, etc.