Ch. 7 Section 1 Review

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Across
  1. 1. wide open areas used for grazing and crops
  2. 3. small river that drains into al larger river
  3. 5. the process by which plants release water vapor into the air
  4. 6. continuous movements of air or water in the same direction
  5. 7. variety of species in an ecosystem
  6. 11. recognize
  7. 13. Current, brings cold waters to the Pacific Ocean
  8. 15. River, river that flows east from the Andes Mountains to the Atlantic Ocean
  9. 17. shadow, a dry region on one side of a mountain range
  10. 18. farming, farmers that grow only enough food for their families
  11. 20. modify
  12. 21. River Basin, the largest river basin on Earth
Down
  1. 2. soak
  2. 4. Mountains, string of mountain ranges that stretch along the western side of South America
  3. 8. plant life
  4. 9. warming, term used to describe the rapid warming of Earth's surface
  5. 10. change, a gradual shift in Earth's climate due to natural causes
  6. 12. gas, a gas that traps heat energy warming the earth
  7. 14. best place in South America to grow crops
  8. 16. Desert, lies in the rain shadow making this one of the driest places in the world
  9. 19. Nino, causes irregular weather because the usual wind and ocean currents reverse
  10. 21. Falls, the highest waterfall in the world located in Venezuela