Tsunamis and Volcanic Eruptions

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Questions and Answers

What is a common characteristic of biological hazards?

  • They originate from the earth's surface.
  • They are always conveyed by biological vectors.
  • They involve exposure to pathogenic microorganisms. (correct)
  • They are caused by volcanic eruptions.

Which natural hazard is characterized by the movement of surface material down a slope?

  • Tsunami
  • Earthquake
  • Landslide (correct)
  • Volcano

What is the main component of pyroclastic flows in a volcanic eruption?

  • Cold water
  • Hot gas, ash, and other volcanic rocks (correct)
  • Sand
  • Solid ice

Which natural phenomenon can produce a sea wave known as a tsunami?

<p>Large-scale seafloor displacements (C)</p> Signup and view all the answers

What is the primary characteristic that differentiates landslides from volcanic eruptions?

<p>Influence of gravity (D)</p> Signup and view all the answers

Which example falls under biological hazards?

<p>(H5N1) virus (C)</p> Signup and view all the answers

What is a common factor used to characterize natural hazards?

<p>Intensity, frequency, and probability (D)</p> Signup and view all the answers

Which term describes a vent to the earth's surface from a reservoir of molten rock?

<p>Volcano (D)</p> Signup and view all the answers

"Mad Cow Disease" is an example associated with which type of hazard?

<p>Biological hazard (B)</p> Signup and view all the answers

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