crossword

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Across
  1. 3. tiny pieces of plastic found in the ocean
  2. 6. a community of living things and their environment
  3. 8. harmful materials added to the environment
  4. 10. the protection of wildlife and nature
Down
  1. 1. reusing materials instead of throwing them away
  2. 2. material often found polluting beaches and oceans
  3. 4. a natural home for animals
  4. 5. poisonous substances harmful to animals
  5. 7. black liquid that can spill into the ocean
  6. 9. large seaweed forests found off California’s coast