What is the oldest and most stable part of a continent?
a. pluton
b. craton
c. shield
d. crust

Most of earths fresh surface water is found in

What term is given to the border between the central alps and the southern limestone alps?

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.