B. , Neutral.
Primary colors are Red, Blue, and Yellow.
Secondary colors are Orange, Purple, and Green.
Complimentary colors are two colors that compliment each other. For example. yellow and purple, green and red, and lastly blue and orange.
That leaves Neutral to represent the gray scale.
The answer is Vincent Van Gogh. Hope this helped <3
Answer:
But just because brain cells may be able to live indefinitely doesn't mean humans could live forever. Aging is dependent on more than the life span of all the individual parts in the body, and scientists still don't understand exactly what causes people to age.
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