Rania Seid Unit 1-9

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Across
  1. 4. The classification of an animal that has a population at risk
  2. 7. A species that causes harm to other species
  3. 10. A method of waste disposal that includes burning
  4. 11. A non-renewable energy source that was mostly used in the late 1800s for energy production
  5. 14. The driest biome on Earth
  6. 16. A value system that believes in extreme sustainability being implemented into practice
  7. 17. This is what happens to soil when they are worn away by natural disasters.
Down
  1. 1. The sweet outcome of photosynthesis
  2. 2. One of the causes of soil degradation that involves the excessive consumption of animals feasting on grass
  3. 3. A value system that opposes ecocentrism
  4. 5. When nutrients accumulate in a body of water, causing oxygen depletion
  5. 6. A renewable energy source that turns wind energy into electricity
  6. 8. The most bio diverse biome on Earth
  7. 9. Second layer of Earth's atmosphere
  8. 12. First layer of Earth's atmosphere
  9. 13. The natural resource that Saudi Arabia is known for
  10. 15. A method of waste disposal that has a blue triangle associated with it
  11. 18. The outcome of photosynthesis that we breathe