Across
- 4. An agreement between two sides who have different opinions in which each side gives up something it had wanted
- 5. The protection of plants, animals, and natural areas from the damaging effects
- 7. Inexpensive, reasonably priced.
- 9. Related to a subject or to something happening or being discussed
- 10. The study of organisms and how they interact with the environment around them.
Down
- 1. The process of keeping heat, sound, or electricity from spreading
- 2. Not new, having been used in the past by someone else
- 3. A part of society that can be separated from other parts because of its own special character
- 6. The condition of producing the results you want without waste
- 8. Able to last a long time without being damaged