Answer:
A dead relative because I want to know what happens when u died or how was your life before and how do you view the world know. If this doesn't work then maybe a famous person back then like Albert Eienstien and see what he thinks/views of society now.
Explanation:
scientific polls
scientific polls are the best way
Answer:
air pressure in the atmosphere
Explanation:
Plateau- land area having a relatively level surface considerably raised above adjoining land on at least one side, and often cut by deep canyons
plain is a flat area. Plains occur as lowlands along the bottoms of valleys, coastal plains and as plateaus or uplands at high elevations. In a valley, a plain is enclosed on two sides but in other cases a plain may be delineated by a complete or partial ring of hills, by mountains or cliffs
mountains <span>a natural elevation of the earth's surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft.</span>