Climate Change: Causes and Human Impact
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Questions and Answers

What is the main function of greenhouse gases in the Earth's atmosphere?

  • To create holes in the ozone layer
  • To trap heat and warm the Earth (correct)
  • To cool the Earth's surface
  • To block the Sun's rays from reaching the Earth

    • What is the estimated increase in the average temperature of the Earth's land and oceans between 1880 and 2012?

  • 1.06°C to 1.65°C
  • 0.13°C to 0.22°C
  • 0.65°C to 1.06°C (correct)
  • 1.65°C to 2.06°C

    • What has been the average increase in air temperature in the lower part of the troposphere since 1979?

  • 0.25°C to 0.35°C per decade
  • 0.05°C to 0.10°C per decade
  • 0.13°C to 0.22°C per decade (correct)
  • 0.40°C to 0.50°C per decade

    • What is the primary greenhouse gas present in the stratosphere?

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

    What is one way that volcanic eruptions can affect the Earth's temperature?

    <p>By sending out dust that blocks out the Sun's radiation</p> Signup and view all the answers

    What is the result of increased greenhouse gases in the Earth's atmosphere?

    <p>The Earth's temperature will increase</p> Signup and view all the answers

    What are the main sources of increased greenhouse gases?

    <p>Vehicle exhaust, pollutants from factories and power plants, and agriculture</p> Signup and view all the answers

    What is the main purpose of a greenhouse?

    <p>To grow plants in the winter in cooler climates</p> Signup and view all the answers

    Why does the air in a greenhouse become warmer?

    <p>Because the Sun shines through the glass and warms the air and the ground</p> Signup and view all the answers

    What is the importance of the Earth's natural greenhouse effect?

    <p>To make the Earth's surface habitable</p> Signup and view all the answers

    What is the trend of global surface temperatures since the early 1900s?

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

    What is the term used to describe the trapping of heat in the atmosphere?

    <p>The greenhouse effect</p> Signup and view all the answers

    What is the difference between weather and climate?

    <p>Weather refers to short-term atmospheric conditions, while climate refers to long-term patterns.</p> Signup and view all the answers

    What is the term used to describe the phenomenon of the Earth getting warmer?

    <p>Global warming</p> Signup and view all the answers

    What do scientists use to collect weather data?

    <p>Weather stations, weather balloons, and weather satellites</p> Signup and view all the answers

    How often do weather patterns change?

    <p>Over a period of 35 years</p> Signup and view all the answers

    What is the term used to describe the study of the Earth's regional climates?

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

    What has been the trend in global temperatures since the 1980s?

    <p>Each decade has been warmer than the previous one</p> Signup and view all the answers

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