Why do geographers use the five themes of geography?

Which element about russia in 1990s in not accurate

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.

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist