environmental systems

Edit Answers
123456789101112131415161718192021222324252627282930
Across
  1. 5. resources natural resources that cannot naturally replenish themselves
  2. 9. above the mesosphere
  3. 12. program installation of state-of-the-art, low-flow equipment
  4. 15. Plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of glucose.
  5. 17. homes and appliances – homes and appliances designed to conserve and reduce energy use
  6. 18. significance a measure of how much impact a resource has on the economy
  7. 20. water located below the surface of the earth in spaces between rock and soil
  8. 21. farming growing crops
  9. 22. uppermost layer of our atmosphere
  10. 25. management of the environment and its resources for present and future use
  11. 27. sources bodies of water that supply water for public and private use
  12. 28. travel to locations where exotic, often endangered, natural environments are the main attraction
  13. 29. Collect and process materials to repurpose them into a new product.
  14. 30. water water reclaimed from a variety of sources, treated, and reused
Down
  1. 1. above the stratosphere; about 53 miles above the Earth
  2. 2. starting at the ground; Earth’s lowest layer of our atmosphere
  3. 3. organisms of different species in which at least one of the organisms' benefits
  4. 4. conservation the action of using water in a way that achieves maximum use to lower unnecessary usage
  5. 6. any hunting activity that negatively impacts the total continuing population of an animal
  6. 7. the practice of gardening or landscaping designed to reduce or eliminate the need for irrigation
  7. 8. method in which plants are grown using mineral nutrients in water and without the use of soil
  8. 10. occurs when the proportion of the fish caught is greater than the number of fish reproduced
  9. 11. when, where, and who can use water
  10. 13. Find a new way to use items instead of making trash.
  11. 14. water water that collects on the ground
  12. 16. Limit the amount of trash generated.
  13. 19. things that depend on the same resources
  14. 23. resources – resources that occur in nature without any human assistance
  15. 24. extends from the top of the troposphere to about 30 miles above ground
  16. 26. a material or asset that can be used to fulfill a purpose