Across
- 4. The process of removing salt and other minerals from seawater.
- 5. A fundamental physical quantity that is often converted from one form to another.
- 7. A large amount of a substance that flows out from a place.
- 9. The ability to be maintained at a certain rate or level; relating to the avoidance of the depletion of natural resources.
Down
- 1. Harmful materials released into the environment.
- 2. Throw away or dispose of unwanted material.
- 3. The weather conditions prevailing in an area in general or over a long period.
- 6. Use again after preparation or modification.
- 8. The quality of being hot; high temperature.