Answer:
Formal stage
Explanation:
The formal stage is the last or the fourth stage in the cognitive development stage of Jean Piaget. The formal stage is about the person think rationally and abstractly. This stage develops the ego-centrism and reason argue and the plan. This stage starts from 12 to adulthood. At this stage, the person starts to think critically. This stage considers the problem.
The fourteen-year-old Jennifer was at the stage of formal in cognitive development.
The answer to this question is B. Elevators
One of the reason why skyscrapers were not popular before the invention of elevators was that it took too much energy to move from the groud floor to the upper floor with the stairs alone.
After the invention of elevators, we eliminate this problem and people could move from ground floor to upper floor with only little effort.
He came from the tribe of "Judah."
Answer:
The Beginning of the Renaissance in Southern Europe
