Environment

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Across
  1. 3. what does human needs for living
  2. 5. A community of living organisms and their interactions with each other and their physical environment.
  3. 8. waste that is not used
  4. 10. a form of oxygen that protects the earth from harmful ultraviolet radiation.
  5. 11. The variety of life forms in a given area, including plants, animals, and microorganisms.
  6. 12. The process of converting waste materials into reusable materials.
Down
  1. 1. Energy sources that are naturally replenished, such as solar, wind, and hydroelectric power.
  2. 2. Meeting the needs of the present without compromising the ability of future generations to meet their own needs.
  3. 4. anything that makes the earth unhealthy
  4. 6. Things that are natural or related to nature.
  5. 7. The process of decomposing organic materials to produce nutrient-rich soil.
  6. 9. Types of waste that does not contain organic compounds.