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6. How many 'low-carbon zones' does London plan to introduce?

  • 7
  • 10
  • 8
  • 9

7. What is the population growth per day of Lagos?

  • 400
  • 100
  • 1,000
  • 800

8. The population of London is roughly:

  • 10.1M
  • 8.2M
  • 7,9M
  • 8,8M

9. The area of Los Angeles is roughly:

  • 14,000km2
  • 3,000km2
  • 20,000km2
  • 18,000km2