Saving the planet

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Across
  1. 2. Very dangerous and harmful that can kill if eaten or touched.
  2. 4. Easy to break or damage.
  3. 6. A specific group of plants or animals that are similar.
  4. 8. Not allowed by the law.
  5. 12. The act of protecting the natural environment.
  6. 13. Not natural, but made by people.
  7. 14. To harm or spoil something.
  8. 16. Connected with the sea and the creatures living in it.
Down
  1. 1. Extremely important or necessary for staying alive.
  2. 3. The natural place where a plant or animal lives.
  3. 5. To travel to a place to discover things about it.
  4. 7. To make water, air, or land dirty with chemicals or waste.
  5. 9. A set of organized actions to achieve a specific goal.
  6. 10. To stay alive during or after a dangerous situation.
  7. 11. A strong material often used to make car tires.
  8. 15. To pull something towards you or make it interested.