Love Your Environment

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Across
  1. 1. The green plants of a region
  2. 4. Throwing something away
  3. 6. Process waste into new products
  4. 7. Harmful to living things
  5. 8. Not dangerous; opposite of harmful
Down
  1. 2. The thin gas layer around the earth
  2. 3. Material that pollutes oceans
  3. 5. To contaminate the environment
  4. 8. The main source of light and heat