HUMAN ENVIRONMENT

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Across
  1. 3. one shortage due to migration
  2. 7. cheapest for heavy and bulky goods
  3. 9. houses made of ice
  4. 10. one reason for migraton
  5. 11. people of this state were resued during floods
  6. 12. mode of transport helpful in a disaster
  7. 13. underground roads
Down
  1. 1. roads built over raised structures
  2. 2. Civilization near river nile
  3. 4. one type of rural settlement
  4. 5. movement of people from village to cities
  5. 6. easy to contruct railway lines in _______.
  6. 8. carry people and heavy goods over long distances quick and cheap
  7. 14. one natural condition for a site.