Protecting the Environment

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Across
  1. 4. all the plants and animals in an area; a system in which they depend on one another
  2. 6. the natural world
  3. 8. the process of damaging the air, water, or land with chemicals or other substances
  4. 10. a substance, especially a gas, that goes into the air
  5. 11. the mixture of gasses that surrounds us and that we breathe
  6. 12. the process of cutting down all of the tress in an area of land
Down
  1. 1. the natural home of an animal, plant, or other organism
  2. 2. a building made of glass that is used for growing plants
  3. 3. rain containing a high level of acid that can damage the environment
  4. 5. a substance in which plants grow
  5. 7. a long body of water that flows towards the sea
  6. 9. the planet on which we live