The Environment

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Across
  1. 2. it's a natural gas
  2. 5. it's a gas produced when certain fuels are burnt
  3. 7. the process of converting waste materials into new materials and objects
  4. 8. farm animals (such as cows, horses, and pigs)
  5. 9. it occurs when Earth's atmosphere traps solar radiation because of the presence of certain gases
  6. 10. it's the energy generated from natural resources
Down
  1. 1. the process of making land, water, air or other parts of the environment dirty
  2. 3. a form of energy that can be produced in several ways and that provides power to devices
  3. 4. the increase of the Earth's temperature
  4. 6. animals close to the extinction