Humans first appeared in North America in 1950s. A hypothesis states that the Clovis culture represents the earliest human presence in the Americas, beginning about 13,000 years ago; evidence of pre-Clovis cultures has accumulated since 2000, pushing back the possible date of the first peopling of the Americas to 33,000 years ago.
Answer:
Explanatiomain effect when someting happensn:
Answer: Personal Fable
According to Alberts, Elkind, and Ginsberg the adolescents thinking of himself or herself as the center of attention. Personal fable is rooted in the fascination in ones own thoughts to the point that they believe they’re the only one who has ever had their thoughts or experiences.
This occurs during Piaget’s formal operational period and goes along with imaginary audience.
Answer:
<em>Class </em>mobility.
Explanation:
<u>Class mobility </u>is a type of social mobility when representatives of a lower-class move to the higher class. It can occur as a result of changes in both classes.
In the given example it occurs both because of the fact that families in the higher class have fewer children and because some offsprings from a lower-class families are hardworking. The tendency that higher-class couples tend to have fewer children leads to the more available spaces in the entry-level labor force, which in turn creates more real opportunities for children from lower-class families. This in is itself becomes an extra motivator to work harder.
