Unidad 3 y Unidad 4

123456789101112131415
Across
  1. 1. Needs
  2. 3. Innovation
  3. 7. Survive
  4. 9. Economy
  5. 10. Solution
  6. 12. Water
  7. 13. Impact
  8. 14. Lack
  9. 15. Development
Down
  1. 2. Workers
  2. 4. Business
  3. 5. Education
  4. 6. Laws
  5. 8. Advantages
  6. 11. Safety