environment

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Across
  1. 1. many things are made from this material, for example:bottle
  2. 3. the place where animals live
  3. 6. you can use thing only one time
  4. 7. person that want to protect the environment
Down
  1. 2. when cars are standing
  2. 4. because of it difficult to breathe
  3. 5. how we can call animals that can disappear?