Environmental Science Quiz on Greenhouse Gases
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Questions and Answers

What has the global increase in greenhouse gases been attributed to?

  • Reduced rainfall in many parts of the world
  • Trends in population and lifestyle
  • Coal mining and electricity generation (correct)
  • Industrial pollution in developing countries

    • What proportion of all greenhouse gases is created by coal?

  • 90 per cent
  • 18 per cent
  • 14 per cent
  • 27 per cent (correct)

    • How does current research aim to increase the energy-producing efficiency of coal?

  • Extracting CO2 from it
  • Burning it at a lower temperature
  • Developing new gasification techniques (correct)
  • Recycling greenhouse gases

    • Compared with ordinary coal, how do 'clean' coals generate power?

    <p>More cleanly but less efficiently</p> Signup and view all the answers

    To control dust at mine sites, what do mining companies often use?

    <p>Chemicals which may be toxic</p> Signup and view all the answers

    Which factor is NOT mentioned as contributing to the global increase in greenhouse gases?

    <p>Increased usage of renewable energy sources</p> Signup and view all the answers

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