"The rotating part of the microscope at the bottom of the body tube; it holds the objectives." -utahscience.oremjr.alpine.k12.ut.us
Answer:
D. Microglia
Explanation:
Microglia are phagocytic, which means that they are cells that can engulf other cells and particles. Microglia protect the CNS by engulfing foreign particles and bacteria. They act also as a clean-up crew that help remove dead cells. They are found in both the brain and spinal cord, which make up the Central Nervous System, or the CNS.
I've checked all the options and I think that the right answer looks like this: Mollusks have highly developed olfactory receptors.
It has changed their economy because without space exploration, we wouldn't have such advanced technologies. They have given jobs to many people due to a new workforce. It has changed cultural views so we now understand space better
The hormone ethylene is a gas and disperses easily.
