Unit 3: The Wonders of Nature

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Across
  1. 3. a thick forest in the tropics
  2. 4. ruin
  3. 6. danger
  4. 9. a large mass of ice that moves slowly down a valley
  5. 11. the natural world
  6. 12. death of a species
  7. 14. a poisonous substance
  8. 15. an area of land between hills
Down
  1. 1. burnt from the sun
  2. 2. a measure of how hot or cold a thing is
  3. 5. making something dirty with gas or poisonous chemicals
  4. 7. a small river
  5. 8. something that fills you with admiration
  6. 10. not real; produced in your mind
  7. 13. a type of plant or animal