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Population Quiz
1.    What is the current global population?
  3 Billion
  6.3 Billion
  7.2 Billion
2.    What was the world population in 1958?
  2.8 billion
  3.5 Billion
  4.1 Billion
3.    How many people are added to the world population each year?
  40 million
  75 million
  110 million
4.    Over the next 30 years, the population of African and Asian cities is projected to double. How many people will be added?
  500 million
  1.2 billion
  1.7 billion
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