Across
- 2. A method used to increase the supply of fresh water
- 5. A major concept in economics
- 8. A stage in the process of growing
- 9. Is the cultivation of animals, plants, fungi and others
- 10. Is being weak or unfavourable position
- 14. The way a person lives
- 16. A process to reduce the use of water to protect the environment
- 19. A source or supply from which benefit is produced
Down
- 1. The production of an economic goods or services
- 3. Is the process of rendering something pure
- 4. Is the process of filtering water to remove larger sized particles and bacteria from the water
- 6. Refers to a process that removes some salt and minerals
- 7. A summation of all the organisms of the same group
- 11. Is the modification and knowledge of tools, machines,
- 12. Introduction of contaminants into the natural environment
- 13. Is naturally occurring water on the Earth's surface
- 15. Is water that originates during precipitation events
- 16. Is the element factor or a subsystem that works as a bottleneck
- 17. A natural or artificial lake, storage pond
- 18. Is a principle or rule to guide decisions and achieve rational outcomes