Writing prompts – chapter 7. Write 200 words on one of the following five writing prompts (just select 1)
1. Describe the progression of understanding of the geologic history of Earth (Section 7-1, particularly the video): History.
Nicholas Steno and the concept of geologic time.
Giovanni Arduino's periods of Earth's history
William Smith's universal geologic time scale based on fossils
Modern classifications and characteristics of Eons, Eras, and Periods
2. Describe the preparation of Earth's climate for life in the Archaean and Proterozoic Eons (Sections 7-2 and 7-3): Natural Science.
3. Describe the arguments of the two sides (Snowball Earth and HOLIST) over the cause of equatorial glaciations in the Proterozoic Eon: Perspective of a Natural Scientist.
4. Describe the factors that determine Earth's climate: gases in atmosphere, positions of continents, axial orientation, catastrophic events (volcanos and asteroids), and solar activity (sections 7-2 to 7-4). Summarize effects on current global warming: Science
5. If there is no explanation for the shift in Earth's axial tilt, then does that mean that a shift in Earth's axial tilt did not happen (Section 7-3)? Metaphysics.