Answer:
Race, for a long time, was a concept that was accepted, not only by the scientific community, but also, by society at large.
With time, the concept of human race was found to be a biological myth, a social construct, and while this kind of thinking is true in the scientific community, in society, many people still believe that human races are real.
Explanation:
There's no story here so i'm just gonna slide in here for some points ^-^
Answer: well my answer to this is E
Explanation:
The answer to this question is D
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.