Geography

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Across
  1. 3. The natural environment is contaminated by human activities and harmful substances
  2. 5. Destroying lots of trees
  3. 6. The World's tempature is increasing because of burning fossil fuels and other things.
  4. 7. The Natural materials we take from the natural environment
  5. 8. Living ways to protect and improve nature
  6. 9. The change of climate caused by human activities
  7. 11. A place where people don't want pollution
Down
  1. 1. All living and non-living natural things on Earth
  2. 2. Preservation of natural resources
  3. 4. Animal species that are at risk of extinction
  4. 10. System of living species, their habitats and what affects them