Which of the following is NOT a reason why more people might die when a volcano erupts in an LEDC?
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The ash cloud blots out the sunlight, killing crops and leading to starvation
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Low literacy skills
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Not everyone has a radio or TV
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Poor communications infrastructure
Q.2.
What else comes out of a volcano as well as lava?
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Liquid water
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Ash and gases
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Ice particles
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Fossils
Q.3.
What type of magma usually occurs in volcanoes at destructive plate boundaries?
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Superheated viscosity
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Ashless viscosity
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Low viscosity
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High viscosity
Q.4.
What is the name given to magma that flows out of a volcano onto the Earth's crust?
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Igneous rock
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River rock
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High density magma
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Lava
Q.5.
Volcanic eruptions are often seen as being negative, however, they can have some positive effects on an area. Which of the following is NOT a positive effect for a volcanic area?
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Dramatic scenery can attract tourists
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Ash from volcanic eruptions near the sea attracts more fish as they feed from the extra nutrients that dissolve into sea water
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The high level of heat in the ground near to volcanoes can provide the hot water for geothermal energy
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Certain types of ash and lava break down to provide nutrients for soil
Q.6.
What type of magma occurs in volcanoes at constructive plate boundaries?
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High viscosity magma
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Superheated magma
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Low viscosity magma
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Supercooled magma
Q.7.
Where do volcanoes occur?
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In well defined narrow belts around the world
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Randomly around the surface of the Earth
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Only on land
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On small islands
Q.8.
What is a constructive plate boundary?
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Where plates move apart
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Where plates move together
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Where plates move sideways past each other
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Where the plates are not moving
Q.9.
What is a destructive plate boundary?
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Where one plate is being pushed back down into the mantle
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Where two plates are moving apart, destroying the area between them
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Where two plates are moving sideways past each other
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Where new land is being formed and then eroded quickly by the sea and earthquakes
Q.10.
Which of the following is a primary effect of a volcanic eruption?
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Ash blocking rivers causing crop destruction by flooding
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Lava flow destroying property
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Debris carried by rivers damaging bridges
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Silting up of harbours caused by ash carried away from the area where the eruption happened by rivers
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