Let's Explore

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Across
  1. 6. A mutual relationship between events
  2. 7. A diagram of land and sea
  3. 8. Emptiness
  4. 9. The proportion of a situation
Down
  1. 1. Protecting the natural resources
  2. 2. A location that has meaning to people
  3. 3. Transition of environment
  4. 4. Where humans, animals and plants interact
  5. 5. The study of places and people