Describe how plate tectonics shapes important geological features of Earth, including mid-ocean ridges, continents, mountain ranges, and rift valleys. Explain how plate tectonics is also responsible for earthquakes? How did the Hawaii chain of islands form?

Q4: Describe the physical mechanism by which the greenhouse effect warms a planet, i.e., how this works. List some of the most common greenhouse gases, an indicate which ones have a weak effect and which ones have a strong effect.

Q5: What has happened to most of the carbon dioxide that was been outgassed through most of the Earth’s history? Briefly describe how the carbon cycle work and how it helps regulate Earth’s global temperature and climate.