Environment

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Across
  1. 3. to watch and help an animal or the environment.
  2. 5. a large number of water covering an area that is usually dry.
  3. 6. to keep safe from injury,harm,or destruction.
  4. 8. to make less rubbish.
  5. 9. the act of cutting down or burning trees in area.
Down
  1. 1. an area of land where large amounts of waste material are buried under the earth.
  2. 2. something making land,water,or sky dirty.
  3. 4. to use something again.
  4. 7. to treat things that have already been used so they can be used again.