Human Population Growth and Impact on the Environment
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Questions and Answers

What was the human population in 1960 compared to 2019?

  • Less than double
  • More than double (correct)
  • Quadrupled
  • Tripled

    • How often are 1 billion people currently being added to the human population?

  • Every 5 years
  • Every 13 years (correct)
  • Every 20 years
  • Every 50 years

    • What is the predicted human population on Earth by 2050?

  • 9–10 billion (correct)
  • 11–12 billion
  • 7–8 billion
  • 13–14 billion

    • What does the ecological footprint measure?

    <p>Total area of productive ecosystems required to support a population</p> Signup and view all the answers

    How much did energy consumption increase from 1860 to 1991?

    <p>93-fold</p> Signup and view all the answers

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