What feature is flat and covers more than 50% of the seafloor?
abyssal plain
continental shelf
guyot
mid-ocean ridge

What season is it in the southern hemisphere when it’s december? a) fall b) spring c) winter d) summer

Where is the vascular system located

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.