7) What is the full spreading rate (in mm/y) of the Hobbit Ridge? (i. e., how fast are the Bilbo and Frodo continents moving away from each other) Show your equations and explain where each number came from.

Name one type of data that h-r diagrams do not show.

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.

What is one difference between austria and switzerland? a. austria is landlocked. b. austria has more minerals resources c. austria has a strong tourism industry d. austria has a strong dairy cattle industry