Particle or Subatomic particle
Answer: The myelinated nerve fibres are enveloped with Schwann cells, it form a myelin sheath around the axon.
Unmyelinated nerve fibres is enveloped by a Schwann cell that doesn't form a myelin sheath around the axon, and found in autonomous and the somatic neural systems. Sympathetic Nervous system is part of Autonomous Nervous system.
Explanation:
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<span>Succession increases biodiversity and helps to prevent too many places from desertification. Without biodiversity, there wouldn't be trees and the other organisms that play a part in keeping an enviroment cool. </span>
