Unit Terminology

5. - energy generated by tapping into the Earth's internal heat, usually through the use of underground reservoirs of steam or hot water.
7. - fuel formed by natural processes, such as the anaerobic decomposition of buried dead organisms.
10. - refers to living components of the environment, such as plants, animals, and microorganisms.
11. - electricity generated by the movement of water, usually by harnessing the power of falling water in dams and other hydroelectric power plants.

1. - refers to resources or energy sources that cannot be replenished or replaced once they have been used up.
2. - sources of energy that are derived from renewable resources, such as sunlight, wind, water, and geothermal heat.
3. - having a limit or end; not infinite.
4. - refers to resources or energy sources that can be replenished or replaced naturally within a relatively short period of time.
6. - energy generated by the movement of air, usually by harnessing the power of wind turbines.
8. - energy generated by harnessing the power of the sun through the use of photovoltaic cells or other solar technologies.
9. - refers to non-living components of the environment, such as rocks, air, and water.