11. Which of the following is not a type of plate boundary?
a) Divergent boundary
b) Convergent boundary
c) Transform boundary
d) Mantle boundary
12. What is the name of the supercontinent that existed millions of years ago?
a) Pangaea
b) Gondwana
c) Laurasia
d) None of the above
13. Which of the following is not a type of volcano?
a) Shield volcano
b) Composite volcano
c) Cinder cone volcano
d) None of the above
14. What is the name of the process that forms mountains?
a) Plate tectonics
b) Weathering
c) Erosion
d) None of the above
15. Which layer of the Earth is the thinnest?
a) Crust
b) Mantle
c) Core
d) None of the above