the world's current population is 7.3 billion and the world population in 1915 was 1.8 billion. The increase over the past century is 7.3 billion - 1.8 billion = 5.5 billion. So, the correct answer would be "more than 5 billion" (option D).
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Answer:
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Explanation:
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Answer:
In nort Italy the pace of life is more immediate, the cities are more cosmopolitan, and tourism is rife. South Italy is much more relaxed, and the investment in tourism infrastructure is less.