Environmental Impact of Water Pollution
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Questions and Answers

What is the approximate mortality rate in wealthier countries?

  • 10 per 1,000 (correct)
  • 4 per 1,000
  • 12 per 1,000
  • 20 per 1,000

    • Why do rapidly growing countries have lower crude death rates compared to more developed countries?

  • Due to a lower proportion of children
  • Due to a higher proportion of children
  • Due to a lower proportion of elderly people (correct)
  • Due to a higher proportion of elderly people

    • What is the result of subtracting the crude death rate from the crude birth rate?

  • Natural increase (correct)
  • Total growth rate
  • Emigration rate
  • Immigration rate

    • What is the difference between the natural increase rate and the total growth rate?

    <p>The natural increase rate only includes births and deaths, while the total growth rate includes immigration and emigration</p> Signup and view all the answers

    How is the approximate doubling time in years estimated?

    <p>By dividing 70 by the annual percentage growth rate</p> Signup and view all the answers

    Which country has a natural increase rate of 0.6 percent per year?

    <p>United States</p> Signup and view all the answers

    What is the current estimated time for the world population to double?

    <p>61 years</p> Signup and view all the answers

    What is the definition of life span?

    <p>The oldest age to which a species is known to survive</p> Signup and view all the answers

    Which country is expected to lose about 40 percent of its population in the next 50 years?

    <p>Ukraine</p> Signup and view all the answers

    What is the crude death rate of Denmark?

    <p>12 per 1,000</p> Signup and view all the answers

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