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Questions and Answers
What type of volcanic eruption is characterized by the extrusion of lava, broken rocks, lava bombs, fine ash, and dust?
What type of volcanic eruption is characterized by the extrusion of lava, broken rocks, lava bombs, fine ash, and dust?
- Plinian eruption
- Effusive eruption (correct)
- Surtseyan eruption
- Phreatomagmatic eruption
Which type of lava flow can range from being extremely thick and viscous to highly fluid?
Which type of lava flow can range from being extremely thick and viscous to highly fluid?
- Blocky lava flow
- Pahoehoe flow (correct)
- Pillow lava flow
- Aa flow
What are pyroclastic flows composed of?
What are pyroclastic flows composed of?
- Magma and ash
- Lava and water
- Steam and dust
- Rocks and volcanic gas (correct)
Which type of volcanic mudflow is associated directly with the eruption?
Which type of volcanic mudflow is associated directly with the eruption?
What characterizes volcanic bombs?
What characterizes volcanic bombs?
What is the main composition of volcanic gases that contribute to global warming?
What is the main composition of volcanic gases that contribute to global warming?
What geographical region is known for its effusive volcanic eruptions often characterized by gentle lava flows?
What geographical region is known for its effusive volcanic eruptions often characterized by gentle lava flows?
Which term describes hot bursts of trapped gases that rapidly move into the atmosphere?
Which term describes hot bursts of trapped gases that rapidly move into the atmosphere?
Which type of volcanic mudflow is induced by heavy rainfall rather than direct eruption activities?
Which type of volcanic mudflow is induced by heavy rainfall rather than direct eruption activities?
What causes pyroclastic surges to be less dense than pyroclastic flows?
What causes pyroclastic surges to be less dense than pyroclastic flows?
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