HW#15: Sedimentary Rocks

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

13. What is the difference between cross-bedding and graded bedding?

14. Nonmetallic mineral resources are commonly divided into what two broad groups? Give some examples of materials that belong to each group.

15. Coal has the advantage of being plentiful. What are some of coal’s disadvantages?

16. Describe the circumstances in which hydraulic fracturing is used.

17. Describe how chemical weathering and the formation of biochemical sediment remove carbon from the atmosphere and store it in the geosphere.

18. Provide an example of carbon moving from the geosphere to the atmosphere.