Human Geography

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Across
  1. 1. a stretch of land, especially with regard to its physical features
  2. 4. science of relationships between living organisms and their environment
  3. 6. a natural resource or source of energy, not depleted when used:
  4. 8. the act of using up a resource
Down
  1. 2. convert waste into reuseable material
  2. 3. the action of becoming larger or more extensive:
  3. 5. economic activity,the processing of raw materials and manufacture of goods in factories
  4. 7. production and discharge of something, especially gas or radiation: