Answer:
d) serotonin
Explanation:
Second-generation anti psychotics is based on blocking the dopamine receptor and the serotonin receptor. The common receptors blocked in this anti psychotics is the D2 dopamine receptor and the sub type 5-HT2A serotonin receptor. Hence, the answer to this is that the serotonin and dopamine receptors are affected by the second-generation anti psychotics also known as the typical anti psychotics.
Mound builders is the culture which is also known for creating large piles of earth in different shapes.
Mount builders were the prehistoric American Indians. The name mount builder was given to them because of their practice of burying their dead in large mounds. About three thousand years ago, they built large piles of earth in the Mississippi River Valley and the Gulf of Mexico region so due to their building of large piles of earth they were known as mound builders.
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I would say the world is becoming more tolerable to interracial relationships. It wasn't so common when adults were teenagers so that's why they got married to the same race. ope this helps, have an amazing day :)