Answer:
The migration during the 20th century has been mostly from less-developed (poor) countries to more-developed countries.
Explanation:
A is correct because during the 20th century, with the migration policies being made much more friendly and open, the people from the less-developed countries where the living conditions were terrible, to the more-developed countries where they could have much better lives.
B is not correct because it is actually the opposite, where people from different religious beliefs than those of the people of the county of their choice, have migrated and made much more diverse societies.
C is not correct because such migration has not been recorded so far.
D is not correct because the people from more-developed countries usually only visit the less-developed countries as tourists, but very very rarely migrate to them as they are aware of the risks and bad living conditions.
As the 20th century began, the U.S, was the dominant economic political power in the WORLD.
Answer:
Base on earth's structure, process and geologic history.
Explanation:
There are various planets in outer space that are considered analogous to that of earth or the Earth-like the planet like <u>Kepler-22b. Kepler-69c. Kepler-62f and Kepler-452b</u>. These Earth-like planets are called as G and K stars. like venus which is considered a twin of earth. These planets are considered to be 50% like earth but differ based on temperature and Terraforming is going to be what might be influencing the future of the explorations. Which is a hypothetical process of deliberating modifying the atmospheric conditions to make it habitable for man.
Knowledge of a) physical geography provides the means to identify and describe natural features of the earth, icluding landforms, water, vegetation and climate.