South American Vocabulary

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Across
  1. 6. a gas that traps the sun’s heat over Earth
  2. 8. continuous movement of air or water in the same direction
  3. 10. Plant life
  4. 12. diversity of species in an ecosystem
  5. 13. to soak thoroughly
Down
  1. 1. temperature changes caused by pollution
  2. 2. farming to grow only enough food for families to eat
  3. 3. area good for farming
  4. 4. a small river that drains into a larger river
  5. 5. SHADOW a dry region on one side of a mountain range
  6. 7. a process by which plants and trees release water vapor into the air
  7. 9. Wide open areas used for grazing and crops
  8. 11. natural change in weather