Geology Reference
In-Depth Information
12. Why is viewing Earth as a system a good way to do it?
Are humans a part of the Earth system? If so, what role,
if any, do we play in Earth's evolution?
13. Discuss why an accurate geologic time scale is
particularly important for geologists in examining
changes in global temperatures during the past and
how an understanding of geologic time is crucial
to the current debate on global warming and its
consequences.
14. In what ways does geology affect our everyday lives at
the individual, local, and nation-state levels?
15. What is the Big Bang? What evidence do we have that
the universe began approximately 14 billion years ago?
16. Why is Earth considered a dynamic planet? What are its
three concentric layers and their characteristics?
17. Explain how the principle of uniformitarianism allows
for catastrophic events.
18. Why is plate tectonic theory so important to geology? How
does it fi t into a systems approach to the study of Earth?
19. Why do most scientists think overpopulation is the
greatest environmental problem facing the world
today? Do you agree? If not, what do you think is the
greatest threat to our existence as a species?
20. How does the solar nebula theory account for the for-
mation of our solar system, its features, and evolution-
ary history?
Search WWH ::
Custom Search