Other questions in this quiz

2. What does infrared measure?

  • Heat energy
  • velocity
  • gas flux

3. What is phreatomagmatic?

  • When internal pressure within the vent causes the top to explode
  • when surface water and magma interact; explosive and pulsed
  • when magma interacts with air it forces open the vent

4. Landslides are common in destabilised areas; deforestation, illegal fires, terracing and abandoned road construction Dangerous;

  • High velocity - 10 m/s Large volume - 100-10 m m3 material
  • High velocity - 15 m/s Large volume - 50-1000 m m3 material
  • Low velocity - 5 m/s Large volume - 20-100 m m3 material
  • Low velocity - 2 m/s Large volume - 2-10 m m3 material

5. examples of shear stress include;

  • Cohesion Frictional resistance
  • Water pressure and the downslope component of weight are examples of

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