Across
- 3. _____ landfills are landfills in which a layer of earth is bulldozed over the garbage each day.
- 4. ______ air pollution results when a large volume of emissions is discharged into a small area.
- 9. _____ animals are a type of renewable resource.
- 10. Most _____ fuel is derived from burning wood.
- 11. _____ generation of electricity is one of the fastest growing renewable energy technologies.
- 13. _______ is elevated levels on impurities in the environment caused by human activity.
- 14. This type of resource forms so slowly that for practical purposes, they cannot be replaced when used.
- 16. The type of power primarily generated by moving water.
Down
- 1. The process in which fertilizer nourishes excessive production of phytoplankton.
- 2. ____ gas is the most common source for home heating, while petroleum and electricity follow.
- 5. _____ power can be generated through fusion, or fission.
- 6. Sulfur and nitrogen oxides are major components of ____ deposition.
- 7. _____ fuels include Natural Gas, Oil, and Coal.
- 8. ____ deposits are not uniformly distributed around the world.
- 12. ____ was the most important source of energy until the mid-1800s.
- 15. ___ is an example of a nonrenewable resource?