Answer:Myelin is a lipid-rich (fatty) substance that surrounds nerve cell axons (the nervous system's "wires") to insulate them and increase the rate at which electrical impulses (called action potentials) are passed along the axon.
Explanation:
Mutalism because they both benefit each other
Answer is the Blending process
Answer A fabric used to sew the dresses a company sells should be correct. Because renting a factory and fixing something is a Fixed Cost. Let me know if that’s right!