What "drives" plate tectonics?
a. lava
b. conduction
c. continental drift
d. heat and convection

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day

Dubai is challenged by all of the following environmental factors except a. a warm and dry climate b. a lack of annual rainfall c. scarce freshwater resources d. a lack of valuable natural resources

The separation of northern ireland from the republic of ireland is an example of