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Questions and Answers
What is a characteristic of a hydrothermal vent?
What is a characteristic of a hydrothermal vent?
- It results from cold water meeting hot magma. (correct)
- It is a hot spring with boiling water.
- It emits volcanic gases and vapors without any accompanying liquids or solids.
- It forms around secondary cones.
Which type of magma has a higher viscosity due to its silica content?
Which type of magma has a higher viscosity due to its silica content?
- Andesitic magma
- Mafic magma
- Ultramafic magma
- Felsic magma (correct)
What differentiates a fumarole from a hot spring?
What differentiates a fumarole from a hot spring?
- Fumaroles have boiling water, while hot springs don't.
- Hot springs are formed on the seafloor by the meeting of cold and hot water.
- Hot springs are typically found around secondary vents.
- Fumaroles emit volcanic gases and vapors without any accompanying liquids or solids. (correct)
What causes water in a geyser to intermittently boil?
What causes water in a geyser to intermittently boil?
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How does the viscosity of magma change with silica content?
How does the viscosity of magma change with silica content?
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What is the defining characteristic of a secondary cone?
What is the defining characteristic of a secondary cone?
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What is the primary factor affecting the viscosity of magma?
What is the primary factor affecting the viscosity of magma?
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