This pack of GLG 220 Week 1 Summary Questions includes answers to the next questions:

How do you think the principle of Uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes?In what ways do geologic processes affect your daily life?When astronauts brought back rock samples from the Moon, the minerals present were mostly the same as those found on Earth. Can you think of reasons why this might be so? Would you expect minerals on Mars or Venus to be the same, or at least very similar, to those on Earth?Which of the following materials are minerals, and why (or why not)? Water; beach sand; diamond; wood; vitamin pill; gold nugget; fishbone; emerald.How old are the rock formations in the area where you live and attend college or university? How can you find out the answer to this question?Choose one of the geologic periods or epochs listed in Figure 3.8 and find out all you can about it: How are rocks from that period identified? What are its most characteristic fossils? Where are the best samples of rocks from your chosen period found?What do you think might have happened to mammals if the K-T extinction had not wiped out the dinosaurs?Recall from Chapter 1 that Earth and Venus are so similar in size and overall composition that they are almost