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Questions and Answers
Where does Mafic lava typically erupt?
Where does Mafic lava typically erupt?
- At divergent plate boundaries (correct)
- Under the ocean
- At convergent plate boundaries
- In the center of islands
What is the main factor contributing to the formation of volcanoes?
What is the main factor contributing to the formation of volcanoes?
- Conduits carrying gasses and ash
- Magma rising from the Earth's mantle (correct)
- Lava accumulating on the Earth's crust
- Fissures on the Earth's surface
Which type of lava is characterized by high silica content and leads to explosive eruptions?
Which type of lava is characterized by high silica content and leads to explosive eruptions?
- Intermediate lava
- Mafic lava
- Ultramafic lava
- Felsic lava (correct)
What type of melting process contributes to the formation of magma for volcanoes?
What type of melting process contributes to the formation of magma for volcanoes?
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How does lava reach the Earth's surface during a volcanic eruption?
How does lava reach the Earth's surface during a volcanic eruption?
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What geological feature often forms at the top of a volcano where magma accumulates?
What geological feature often forms at the top of a volcano where magma accumulates?
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