Across
- 1. - purchasing power parity
- 6. - the ability to do work
- 9. - study of moral values and concepts concerning right and wrong human behavior and responsibilities
- 11. - a key subfield of environmental science
- 12. - management of natural resources by minimizing resource waste and sustaining resource supplies
- 14. - study of plants
- 15. - living things which are members of certain species
- 17. - using a resource over and over in the same form
- 18. - study of the earth’s origin, history, surface, and interior processes
- 19. - the sources which are dispersed and often difficult to identify
- 20. - it is any in the environment that is harmful to the health, survival, or activities of organisms
- 22. - a property where the rights to certain resources are held by large groups of individuals
- 24. - substances which make the environment polluted
Down
- 1. - a property where individuals or firms own the rights certain resources
- 2. - the main source of energy of planet earth
- 3. - a set of organisms interacting with one another and with their nonliving environment
- 4. - biological diversity
- 5. - it is everything around with all of the living and the nonliving things which we interact with
- 7. - collecting waste materials and processing them into new materials
- 8. - a supply of something
- 10. - occurs when people are unable to meet their basic needs
- 13. - capable of being used without being completely used up or destroyed
- 16. - study of animals
- 18. - gross domestic product
- 21. - a science that deals with matter and energy and how they act
- 23. - group of organisms with distinctive traits