Which area of the world was hardest hit by the bubonic plague?

asia
europe
north america
sub-saharan africa

Plants in the tundra biomes have had to adapt to live long periods of time without a. cool temperatures b. sunlight c. oxygen d. water

Which of the following events did not occur as a result of china’s open-door policy? a. trade between japan and china was encouraged. b. all countries were given equal access to chinese ports. c. foreign influence in china increased. d. the influence of the communist party weakened.

The process by which liquid water changes into water vapour is called what ?