10GEO - ENVIRONMENT - ANASTASIA

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Across
  1. 3. what energy derived from the sun's radiation
  2. 4. what energy obtained from harnessing the wind with windmills
  3. 6. plants considered collectively, especially those found in a particular area or habitat.
  4. 8. the action or process of causing so much damage to something that it no longer exists or cannot be repaired.
  5. 10. what pollution is the contamination of rivers, lakes, seas and oceans.
  6. 11. the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Down
  1. 1. return (material) to a previous stage in a cyclic process.
  2. 2. the natural home or environment of an animal, plant, or other organism.
  3. 5. what is the clearing of trees, transforming a forest into cleared land
  4. 7. relating to or derived from living matter.
  5. 9. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
  6. 10. the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, etc.