Across
- 2. Power derived from the utilization of physical or chemical resources.
- 4. A biochemical process through which nitrogen is turned into many forms.
- 10. The introduction of a harmful substance or chemical to the environment.
- 11. The transfer of heat from one place to another due to the movement of fluid.
- 12. The ability to be maintained at a certain rate or level.
- 14. A person who purchases or uses a service or food.
- 15. A group of people living in the same place or having particular characteristics in common.
Down
- 1. Any form of water that falls back to earth.
- 3. The process by which something develops international influence or starts operating globally.
- 5. Describes `the processes through which the three main rock types transform into each other.
- 6. When a liquid turns into a gas.
- 7. A method of observation, measurement, experiment, and the formulation, modification, and testing of hypotheses.
- 8. The process in which deep cold water rises toward the surface.
- 9. Profile, The different levels of soil.
- 13. A maker or manufacturer of something.