Volcanoes and Eruptions Overview
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Questions and Answers

What is the most abundant gas during a volcanic eruption?

  • Sulfur Dioxide
  • Hydrogen Sulfide
  • Carbon Dioxide
  • Water Vapor (correct)
  • Why does water vapor contribute to global warming?

  • It is noncombustible
  • It is heavier than air
  • It reflects sunlight back into space
  • It traps heat in the atmosphere (correct)
  • Which gas expelled through volcanic eruptions is referred to as a greenhouse gas?

  • Sulfur Dioxide
  • Hydrogen Sulfide
  • Hydrochloric Acid
  • Carbon Dioxide (correct)
  • What do sulfuric acid aerosols created by sulfur dioxide in the stratosphere do?

    <p>Reflect sunlight back into space</p> Signup and view all the answers

    How do water vapor emissions from volcanic eruptions influence the water cycle?

    <p>By adding water to the atmosphere</p> Signup and view all the answers

    What harmful effect does breathing in highly concentrated carbon dioxide have on humans?

    <p>Respiratory system damage</p> Signup and view all the answers

    How do hydrogen sulfide and hydrochloric acid released in trace amounts from volcanoes affect human health?

    <p>Harm respiratory system and induce somatic disorders</p> Signup and view all the answers

    What characteristic of carbon dioxide makes it difficult for humans to detect through smell?

    <p>Its odorless property</p> Signup and view all the answers

    What is the primary cause of a volcanic eruption?

    <p>The buildup of magma in a chamber beneath the volcano</p> Signup and view all the answers

    Which of the following gases is not commonly released during a volcanic eruption?

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

    What is a potential hazard of inhaling gases released during a volcanic eruption?

    <p>Serious health problems</p> Signup and view all the answers

    What is the primary component of a volcanic eruption, in addition to gases?

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

    How do volcanic gases reach the Earth's surface?

    <p>They are dissolved in magma and brought to the surface</p> Signup and view all the answers

    What is a potential consequence of inhaling carbon dioxide or sulfur dioxide released during a volcanic eruption?

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

    Which of the following statements about volcanic eruptions is true?

    <p>They emit immense amounts of gases</p> Signup and view all the answers

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