What two sources provide the energy that drives geological recycling?
a. the moon and the earth's interior
b. the moon and the ocean
c. the sun and the earth's interior
d. the sun and the moon

Which of the following situations is an example of an internal migration? a. moving to mexico city, mexico b. moving to san diego, califormia c. moving to toronto, canada d. moving to london, england

Which mountain range separates georgia from russia? a. ural mountains b. carpathian mountains c. caucasus mountains d. siberia mountains

Approximately how close is russia to alaska ? a.5 miles b.50 miles c.500 miles d.5000 miles