Most of the world's oil is found in sedimentary rock that is of what age? a. younger than 200 years

How are the high islands of the pacific formed? a. by connected coral reefs called atolls b. by lagoons c. by moving glaciers d. by underwater volcanoes

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.

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain