Distance learning crossword

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Across
  1. 4. The longest river in South America
  2. 10. The basic support systems in a city that keep the city from falling apart
  3. 12. Martial art and dance
  4. 14. paying the government to preserve the forests
Down
  1. 1. Factories in Mexico that assemble imported materials into finished products, which are then exported
  2. 2. The wide range of plants and animals in a biome
  3. 3. Areas of grassland and rich soil
  4. 5. Cut trees, brush and grasses are burned to get rid of the debris
  5. 6. A canal in that connects the Atlantic and Pacific oceans.
  6. 7. Forests made up of different species of trees and are humid
  7. 8. A harsh government run by generals of an army
  8. 9. people of mixed Spanish and Native American heritage
  9. 11. savannas with flat terrain and moderate rainfall; suitable for farming
  10. 13. The language of the Incas
  11. 15. The longest mountain range in South America made up of many active volcanoes