Volcanoes
A volcano is an opening in the Earth’s crust that allows molten rock from beneath the crust to reach the surface - Leaving Cert Geography - Question 2A - 2020
Question 2A
Volcanoes
A volcano is an opening in the Earth’s crust that allows molten rock from beneath the crust to reach the surface. When a volcano erupts it can release lav... show full transcript
Worked Solution & Example Answer:Volcanoes
A volcano is an opening in the Earth’s crust that allows molten rock from beneath the crust to reach the surface - Leaving Cert Geography - Question 2A - 2020
Step 1
Name two materials released by a volcano during a volcanic eruption.
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Answer
Lava
Gas
Step 2
What country, named in the text, had to evacuate at least 13,000 people because of volcanic eruptions?
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Answer
Indonesia
Step 3
List two effects of volcanic activity that are mentioned in the report.
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Answer
Destruction of buildings due to mudflows triggered by eruptions.
Injury from falling rocks.
Step 4
Explain briefly one other positive effect of volcanic activity not mentioned in the report.
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Volcanic activity can create new landforms by depositing minerals and nutrients which enrich the soil, thus promoting agricultural growth.
Step 5
Name one example of a volcano that you have studied.
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Answer
Mount St. Helens
Step 6
Explain briefly what is meant by the term dormant volcano.
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Answer
A dormant volcano is one that has not erupted for a long time but is expected to erupt again in the future. It lies in a state of inactivity between eruptions.
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