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It is an opening in the earth’s crust through which hot molten magma (lava), rock and ash are erupted unto the land.
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It is the channel which allows magma within the volcano to reach the surface in a volcanic eruption
crater
vent
magma chamber
lava
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What f refers to the reservoir of magma located deep inside the volcano?
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It is a region deep within the Earth's mantle from which heat rises through the process of convection.
chamber
mantle
core
hot spot
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What m refers to molten materials inside the earth’s interior.
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These are broad, dome-shaped volcanoes with long gently-sloped sides.
shield volcanoes
Cone volcanoes
composite volcanoes
dormant
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________________ volcanoes are those that continue to erupt or are at risk of erupting.
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Volcanic eruption eject many types of materials except one.
cinder
pyroclastic
boulders
pumice
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What e occurs after a build-up of pressure causes rocks and other materials to give way.
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What f refers to the place beneath the ground where the earthquake takes place?
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What e refers to the point on the ground surface immediately above the focus.
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What RS measures the magnitude of earthquakes?
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The following are human activities that trigger earthquakes except one.
fracking
crustal loading
coal mining
deforestation
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Which of the following is an indirect hazard of a volcanic eruption?
tsunami
mudflow
earthquake
volcanic gases
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What nh is a natural event that causes damage to property and disruption of normal life and may cause loss of life?
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Most volcanoes and earthquakes are located along the plate ____________________.
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What is formed when subduction process takes place?
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What is formed when two or more plates collide and no plate is subducted?