Across
- 4. source: sun, pros: free source, unlimited, env. friendly, cons: not efficient, expensive set-up
- 6. source: moving air, pros: free source, env. friendly, cons: expensive set-up, eyesore-birds, inconsistent source
- 7. source: rising and falling water, pros: free source, unlimited, two-way, cons: only 25 locations, navigation safety, eyesore
- 8. overlying soil and rock are removed from the land in strips
- 13. how is the garbage patch different than what many people would assume?
- 15. source: atem splitting, pros: not expensive, lots of source, cons: safety concerns, expensive set-up, weapons possible
Down
- 1. operate under the earths surface that requires special equipment and manpower
- 2. source: burning of coal, oil, or natural gas, pros: not expensive source or set-up, readily available, cons: environment, not renewable
- 3. what is the great pacific garbage patch?
- 5. leaves big scars on the earth, sometimes converted into landfills or lakes
- 9. source: natural heat coming from the earth, pros free source, unlimited, env. friendly, cons: few locations, expensive set-up
- 10. source: moving river water, pros: cheap source, env. friendly, recreation, cons: flooding, expensive set-up
- 11. source: ocean waves, pros: free source, unlimited, cons: navigation safety, eyesore
- 12. minerals that are burned to produce energy. they are formed from the remains of dead plants and animals.
- 14. source: burning natural products or waste, pros: free source, gets rid of waste, env. friendly, cons: environment, better use of natural products?