Using hydropower to generate electricity. 16. Discuss the advantages and disadvantages of growing corn for use in ethanol production.
17. Which of the following is not considered a major approach to using hydropower to generate electricity?
- · pumped storage
- · none of these
- · all of these
18. How can solar radiation be used passively?
19. Describe the costs and benefits of using photovoltaic cells for the generation of electricity.
20. What are hydrogen fuel cells? Why are they thought to be an important storage unit for renewable energy?
21. Which of the following are part of the main categories of waste?
- · Municipal solid
- · Industrial solid
- · Hazardous
- · Waste Water
- · All of these
- · None of these