The environment

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Across
  1. 2. 8.It protects the _____ resources.
  2. 6. 7.Sea animals live in the _____ environment.
  3. 7. 1.Water and air pollution are the _______ of the water and the air.
  4. 8. 3.It means using less water.
Down
  1. 1. 4.It conserves____.
  2. 3. 6.It is the planting of trees.
  3. 4. 5. It is the convertion of waste material into new materials.
  4. 5. 2.It avoids _____ change.