3. How does the Brown v. Board of Education decision stand in direct contrast to the previous "separate but equal" legal doctrine?

i thinl it is the 1st answer

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.