Myelin sheaths, which cover the axon of the nerve cells in the brain and spinal 
cord, prevents the electric current from dissipating from the axon.
 Destroying the <span>myelin sheaths impairs the
conduction of signals on the affected nerves, causing damage in
every function that the nerve is involved, in this case will affect movements and vision.</span>
        
             
        
        
        
Answer: Your answer is C!
Explanation:
Because of the 8 electrons in the outermost shell, the maximum number they can have, the elements are very stable and rarely react with other substances. 
 
        
                    
             
        
        
        
Answer: Geologic time is divided into units. Major changes in the earth's surface or climate and the extinction of species help to divide the time scale into smaller units.
Explanation: Rocks grouped within each unit contain a similar fossil record.
 
        
             
        
        
        
Answer:
Answer is only B: Extinction
Explanation:
Long-Term is the key word. Edge test says B only.
 
        
                    
             
        
        
        
The surface air that flows from these subtropical high-pressure belts toward the Equator is deflected toward the west in both hemispheres by the Coriolis effect. These winds blow<span> predominantly from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisphere.
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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