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Description
Flashcards by Aaishah Din, updated more than 1 year ago
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Created by Aaishah Din
over 7 years ago
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| Question | Answer |
| how are volcanoes formed at a constructive boundary? | The oceanic plate is denser, and moved underneath a continental plate. Friction causes the melting of the plate, and may cause Earthquakes. Magma rises through cracks and erupts onto the surface. |
| How are volcanoes formed at a destructive boundary? | As the plates move apart, magma wells up to fill the gap, causing a volcano. Eventually, a new crust is formed when the magma cools. |
| What are some reasons why people live near hazardous areas? | - Economic reasons: brings tourism, fishing industry, energy extraction e.g. geothermal energy near volcanoes, valuable elements such as gold, silver, tin. copper. Granite is formed. physical: beautiful view, fertile soil, good climate social: |
| Primary effects of volcanoes and earthquakes | buildings and roads are destroyed. people and/or animals are injured or killed. crops are damaged water is contaminated (volcano) people and plants are suffocated by C02. (volcano) |
| Describe the secondary effects. | mudflows fires unemployment homelessness shortage of food shortage of water people may suffer from psychological damage. |
| What are the three p's? |
Image:
Jdd (image/jpeg)
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