Existing, Endangered & Extinct

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Across
  1. 4. Large marsupial.
  2. 6. Emotional shock and pain caused by an extremely upsetting experience.
  3. 7. Introduced from another country (plants, animals, etc).
  4. 8. A famous ship that sank after striking an iceberg in the ocean.
  5. 10. The natural satellite of the Earth.
Down
  1. 1. (noun)Something that is difficult or impossible to understand or explain.
  2. 2. A nation's or region's economy shifts from agriculture to manufacturing.
  3. 3. Damage caused to water, air, etc.
  4. 5. Vincent van Gogh's best work.
  5. 7. Has a trunk.
  6. 9. Popular music originated from South Korea.