What astronomers believed that the earth was the center of the universe, well all the other planets and celestial objects orbited it

How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

What is the mostly tropical region in asia