Human environment: settlement, transport and communication

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Across
  1. 2. Highest roadways in the world
  2. 4. The longest railway system
  3. 5. these help in survey of forests
  4. 7. Settlement in which people perform agriculture, fishing, forestry etc.
  5. 8. A place where a settlement develops
Down
  1. 1. The most commonly used transport
  2. 3. The type of transport which helps during natural disasters
  3. 6. Animals which are used in the Andes mountains for transportation