Urban environment

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Across
  1. 3. city the part of the urban area surrounding the CBD
  2. 4. pollution harmful emissions, or other substances, that enter Earth’s atmosphere
  3. 7. the outer zone of towns and cities.
  4. 8. the presence of chemicals, noise, dirt or other substances which have harmful or poisonous effects on an environment
  5. 9. mall It offers a range of entertainments
  6. 10. an urban area with a total population of more than ten million people
Down
  1. 1. the situation where people do not have fulltime, continuous work, and are usually only employed temporarily or seasonally
  2. 2. when an increasing percentage of a country's population live in towns and cities
  3. 5. the commercial and business centre ot a town or city
  4. 6. an idea which is difficult to define because it means different things to different people.