Understanding Landslides
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Questions and Answers

What is the main driving force behind landslides?

  • Seismic activity
  • Wind
  • Sunlight exposure
  • Water saturation (correct)

In the context of landslides, what is the primary factor that distinguishes rock falls from falls?

  • Weathering process
  • Speed of movement (correct)
  • Influence of gravity
  • Material composition

Which type of mass movement involves detachments mainly through the air by falling, bouncing, or rolling?

  • Rock fall (correct)
  • Creep
  • Earth flow
  • Mudflow

How are slides and flows differentiated in terms of their characteristics?

<p>By the movement speed and slip surface water content (D)</p> Signup and view all the answers

What type of flow has speeds that vary from slow to rapid and may include movement rates of a few meters or more a day?

<p>Debris-flow (B)</p> Signup and view all the answers

Which classification system by Abbot (2004) was extended by Soetoers and Van Westen to include new types like topple and spread?

<p>Classification considering type and rate of movement (A)</p> Signup and view all the answers

What triggers landslides?

<p>Heavy rainfall (A)</p> Signup and view all the answers

Which term is used to describe landslides as abrupt and short-lived geomorphic events?

<p>Mass-wasting (D)</p> Signup and view all the answers

What are landslides primarily composed of?

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

How are landslides defined based on their movement?

<p>Only downward and outward movement (A)</p> Signup and view all the answers

Which activity can trigger landslides according to the text?

<p>Deforestation (A)</p> Signup and view all the answers

Why are landslides considered one of the most important processes of a catastrophic type?

<p>They lead to modification of surface morphology (A)</p> Signup and view all the answers

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