Across
- 6. conservation the action of using water in a way that achieves maximum use to lower unnecessary usage
- 9. extends from the top of the troposphere to about 30 miles above ground
- 12. farming growing crops
- 13. water water reclaimed from a variety of sources, treated, and reused
- 14. resources natural resources that cannot naturally replenish themselves
- 16. resources – resources that occur in nature without any human assistance
- 19. organisms of different species in which at least one of the organisms' benefits
- 20. significance a measure of how much impact a resource has on the economy
- 21. a material or asset that can be used to fulfill a purpose
- 22. above the mesosphere
- 24. homes and appliances – homes and appliances designed to conserve and reduce energy use
- 26. method in which plants are grown using mineral nutrients in water and without the use of soil
Down
- 1. things that depend on the same resources
- 2. Plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of glucose.
- 3. above the stratosphere; about 53 miles above the Earth
- 4. program installation of state-of-the-art, low-flow equipment
- 5. uppermost layer of our atmosphere
- 7. Collect and process materials to repurpose them into a new product.
- 8. the practice of gardening or landscaping designed to reduce or eliminate the need for irrigation
- 10. when, where, and who can use water
- 11. water water that collects on the ground
- 13. Limit the amount of trash generated.
- 15. Find a new way to use items instead of making trash.
- 17. management of the environment and its resources for present and future use
- 18. sources bodies of water that supply water for public and private use
- 23. starting at the ground; Earth’s lowest layer of our atmosphere
- 25. water located below the surface of the earth in spaces between rock and soil