Question 1. Describe the rock cycle, explaining how the three major types of rock form and break down.
Question 2. Briefly describe the environmental advantages and disadvantages of developing geothermal energy.
Question 3. Give a brief overview of the carbon cycle. Include the source of carbon that enters ecosystems, how it moves through ecosystems, what it is used for, and where it is ultimately deposited. What part of this cycle is believed to contribute to global warming?
Question 4. List the three major trophic levels in a food web. What types of organisms are found in each level? Where are the autotrophs and heterotrophs found? Discuss the significance of each level for the integral functioning of the food web.