Tyler has been diagnosed with a disease that involves deterioration of the myelin sheath. as the disease progresses, he begins to have trouble with his coordination. this is caused by:

Neurons communicating slowly and ineffective.

Explanation:

Neurons are cells in the nervous system that communicate with one another to perform information-processing tasks. When they communicate slowly, problem of coordination begins to surface.

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; marvin gaye;