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Questions and Answers
What is the term used to describe the molten rock that reaches the Earth's surface?
What is the term used to describe the molten rock that reaches the Earth's surface?
What is the property of a material's resistance to flow, also described as the liquid's thickness or stickiness?
What is the property of a material's resistance to flow, also described as the liquid's thickness or stickiness?
What is the process by which volcanic eruptions start, with the accumulation of magma beneath the Earth's surface?
What is the process by which volcanic eruptions start, with the accumulation of magma beneath the Earth's surface?
What is the term used to describe the molten rock that is underground, before it reaches the surface?
What is the term used to describe the molten rock that is underground, before it reaches the surface?
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What is the process by which the increasing pressure in the magma chamber may eventually lead to the fracturing of the Earth's crust above the magma chamber?
What is the process by which the increasing pressure in the magma chamber may eventually lead to the fracturing of the Earth's crust above the magma chamber?
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What is the process by which magma is formed from the melting of rock in the Earth's mantle due to high temperatures and pressure?
What is the process by which magma is formed from the melting of rock in the Earth's mantle due to high temperatures and pressure?
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What is the primary force that causes the ascent of magma towards the surface during an eruption?
What is the primary force that causes the ascent of magma towards the surface during an eruption?
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The type of eruption that occurs when the magma is highly viscous and contains a significant amount of gas is known as:
The type of eruption that occurs when the magma is highly viscous and contains a significant amount of gas is known as:
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Which of the following is a characteristic of effusive eruptions?
Which of the following is a characteristic of effusive eruptions?
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What is the primary cause of the build-up of magma beneath the Earth's surface?
What is the primary cause of the build-up of magma beneath the Earth's surface?
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What is the main mechanism that allows the magma to ascend towards the surface during an eruption?
What is the main mechanism that allows the magma to ascend towards the surface during an eruption?
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What is the primary factor that determines the type of eruption (explosive or effusive) that will occur?
What is the primary factor that determines the type of eruption (explosive or effusive) that will occur?
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What is the main factor that causes magma to be fragmented into small pieces during explosive volcanic eruptions?
What is the main factor that causes magma to be fragmented into small pieces during explosive volcanic eruptions?
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Which type of volcanic material consists of tiny rock and mineral particles less than 2 mm in diameter?
Which type of volcanic material consists of tiny rock and mineral particles less than 2 mm in diameter?
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What is the main reason why lapilli, small rock fragments ejected during volcanic eruptions, have sizes ranging from 2 mm to 64 mm in diameter?
What is the main reason why lapilli, small rock fragments ejected during volcanic eruptions, have sizes ranging from 2 mm to 64 mm in diameter?
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Which volcanic material is responsible for forming fast-moving avalanches of hot gases, ash, and volcanic rock fragments?
Which volcanic material is responsible for forming fast-moving avalanches of hot gases, ash, and volcanic rock fragments?
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How can volcanic eruptions positively impact the availability of construction materials?
How can volcanic eruptions positively impact the availability of construction materials?
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What role does violent gas expansion play in the process of explosive volcanic eruptions?
What role does violent gas expansion play in the process of explosive volcanic eruptions?
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