is the second age of the Three-Age System. Ice Age
Industrial Age
Iron Age
Stone Age
Bronze Age

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?