Other questions in this quiz

2. What is the core temperature of Earth?

  • 1300 degrees
  • 5000 degrees celcius
  • 4600 degrees
  • 3000 degrees

3. Ash is

  • 64mm
  • >4mm
  • 4-64mm

4. What does the Mercalli scale measure?

  • intensity
  • magnitude

5. 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

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