The Environment

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Across
  1. 2. rain that contains harmful acid which can damage the environment and is caused by chemicals in the air, for example from cars or factories
  2. 5. an ___________ animal, bird etc is one that may soon no longer exist because there are so few of them
  3. 8. animals and plants growing in natural conditions
  4. 9. unwanted materials or substances that are left after you have used something
  5. 10. a group of animals or plants whose members are similar and can breed together to produce young animals or plants
Down
  1. 1. the process of making air, water, soil etc dangerously dirty and not suitable for people to use
  2. 3. something, especially money, that you give to a person or an organization in order to help them
  3. 4. the natural home of a plant or animal
  4. 6. when a particular type of animal or plant stops existing
  5. 7. to put used objects or materials through a special process so that they can be used again