Answer:
The correct option is C. <u>Damage to myelination.</u>
Explanation:
Multiple sclerosis can be described as a disease in which a person's body destroys his/her own myelin sheath. Myelin sheath is a protective sheath that covers the nerves. Hence, the nerves are not able to conduct signals. As the body's own cells destroy the myelin sheath, hence multiple sclerosis is an autoimmune disease. Multiple sclerosis remains a deadly disease as the proper cure to it has not yet been found.
Answer: Metamorphic rocks are formed from other rocks that are changed because of heat or pressure. They are not made from molten rock. rocks that do melt form igneous rocks instead. Earth movements can cause rocks to be deeply buried or squeezed. As a result, the rocks are heated and put under great pressure.
Explanation:
