Answer:
Personality
Explanation:
In psychology, the study of personality is one of the main branches of this science.
The study of personality involves the description and explanation of different patterns of thinking and behaving in terms of some traits that people have or don't (personality traits). These traits would usually explain the difference between people's patterns of feeling, thinking and behaving.
In this example, Professor Kelly's research involves describing and explaining similarities and differences in people's patterns of thinking, feeling, and behaving. Therefore, we can say that he most likely studies a Personality theory.
<span>The number of suicide attempts among high schoolers that require medical treatment drops 50 percent from 9th grade to 12th grade. Suicide attempts may be attributed to social or peer pressure worsened by the pressure held by the social media in the adolescent minds of these students today where everyone always almost knows your whereabouts.</span>
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Answer:
His voyages showed that the circumference of the earth was longer than what Columbus had estimated. The Columbian Exchange was: the transatlantic flow of plants, animals, and germs that began after Christopher Columbus reached the New World.
Explanation:
I'm not one hundred percent sure that's right. But it's what i came up with.