Answer:
They were essential to historical discoveries of that period. Due to the math developed while building the pyramids, we have the arithmetic knowledge we do today. The pyramids were an architectural marvel both then and now, and still affect architecture to this day.
Because scientists want proof and facts. Also the very thought that we are on floating plates is a strange thought, in fact the original idea was mocked.
The correct answer is friendship focus groups.
Friendship Group is a cluster <span>of individuals, who can share certain social characteristics, for instance is age, class, occupation, or education, and interact on a stage of equality. A person can become a part of several peer </span>groups<span>, which includes </span>friends<span>, schoolmates, and coworkers.</span>