Across
- 2. Increase in the amounts of nutrients
- 4. Formed when ground-level ozone and vehicle exhaust react in the sunlight
- 11. Resource that forms at a rate that is slower than it is consumed
- 14. Natural resource humans use to make objects/consume as food or drink
- 15. The careful and responsible management of a resource
- 16. (Process)land becomes desertlike and unable to support life
- 17. Water suitable to drink
- 20. Pollution coming from a specific site
- 21. Waste or other materials is added to water so it becomes harmful to water dwelling organisms
- 22. Nonrenewable resource formed from remains of plants&animals that lived long ago
- 23. Body of water that usually forms behind a dam
Down
- 1. Natural resource used to generate energy
- 3. Growth of urban areas due to people moving into cities
- 5. Contamination of atmosphere because of humans and natural resources
- 6. Precipitation (rain, sleet, snow) containing acids from air pollution
- 7. Heating of natural water due to human activity
- 8. Removal of trees and vegetation from an area
- 9. Any natural material used by humans (air, soil, minerals, etc.)
- 10. Way by which certain gases in the atmosphere absorbs and reradiates thermal energy
- 11. Pollution coming from many small sources(Harder to control)
- 12. (Process) human activities and natural processes damage land so it can't support its ecosystem
- 13. Wise of natural resources
- 18. Resource that can be replaced at the same rate it is consumed
- 19. Measuring how clean the air is
- 20. Tiny particle of solid suspended in air or water