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 (B)</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 (A)</p> Signup and view all the answers

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

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

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

<p>61 years (A)</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 (A)</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 (D)</p> Signup and view all the answers

What is the crude death rate of Denmark?

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

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