HW#5: Plate Tectonics

Instructions: Answer the questions below using one to five sentences.

7. What is the average rate of seafloor spreading in modern oceans?

8. List four features that characterize the oceanic ridge system.

9. Why does oceanic lithosphere subduct, while continental lithosphere does not?

10. Briefly describe how mountain belts such as the Himalayas form.

11. List two characteristics that differentiate transform faults from the two other types of plate boundaries.

12. What new ocean basin was created by the breakup of Pangaea?