12. Define the term “lithification”. What are 2 processes that result in lithification of sediment?
13. List and describe 2 environments where chemical sediments may form.
14. What is the name of a sedimentary rock that forms from the skeletons and hard parts of dead sea
animals?
15. Where does coal form? What is coal composed of?
16. What is the motto for the “principle of uniformitarianism”? What is the principle of uniformity and how
is it used to interpret Earth history?
End Video at Uniformitarianism.