Global Warming and Climate Change
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Global Warming and Climate Change

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Questions and Answers

What does global warming refer to?

  • The decrease in global average air and ocean temperatures
  • The increase in global average air and ocean temperatures (correct)
  • The cooling of the Earth's atmosphere
  • The long-term variation in weather conditions

    • According to statistics, why is warming happening faster than ever before?

  • Human activity (correct)
  • Population growth and economic development
  • Because of the decrease in greenhouse gases
  • Due to natural causes alone

    • What is the 'greenhouse effect'?

  • The trapping of cold air around the planet
  • The accumulation of ozone in the atmosphere
  • The trapping of heat by gases in the atmosphere (correct)
  • An increase in solar radiation reaching the Earth

    • What is the purpose of the ozone layer in the Earth's atmosphere?

    <p>To absorb harmful ultraviolet rays from the sun</p> Signup and view all the answers

    What are some man-made greenhouse gases mentioned in the text?

    <p>Chlorofluorocarbons and carbon dioxide</p> Signup and view all the answers

    What gas is released by deforestation and the combustion of fossil fuels?

    <p>Carbon Dioxide</p> Signup and view all the answers

    Which gas is produced by emissions from cars, fertilizers, and power plants?

    <p>Nitrous Oxide</p> Signup and view all the answers

    What gas did refrigerators and aerosols release in the past but are now illegal?

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

    What happens when mountain glaciers and polar ice caps melt according to the text?

    <p>Sea levels rise</p> Signup and view all the answers

    What effect does global warming have on polar bears according to the text?

    <p>They are in danger of starving due to less ice for fishing</p> Signup and view all the answers

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