Bert and Ernie have very different sleeping patterns. Bert always wakes up early in the morning, but he starts to get tired early in the evening. Ernie, on the other hand, prefers to stay up late and then sleep until noon. Bert and Ernie's different sleeping preferences are most likely due to their ____.?

a. ?thalamus
b. ?amygdala
c. ?suprachiasmatic nuclei
d. ?corpus callosum

ANSWER: c. ?suprachiasmatic nuclei

Psychology

People who have what color skin generally experience skin aging sooner?

a. black b. brown c. yellow d. white

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Psychology

One behavioral difficulty that may result from divorce is ________ behavior problems, like aggression and noncompliance

Fill in the blank with correct word.

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Psychology