HW#3: An Introduction to Geology

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

13. Explain why density and buoyancy were important in the development of Earth’s layered structure.

14. List and describe the three major layers defined by their chemical composition.

15. Contrast the lithosphere and asthenosphere.

16. List two rock characteristics that are used to determine the processes that created a rock.

17. Name the three major regions of the ocean floor. What are some features associated with each?

18. Describe the general distribution of Earth’s youngest mountains.