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| Q. |
Earthquakes are caused by – |
| A. | Denudation |
| B. | Tectonism |
| C. | Earth revolution |
| D. | Earth rotation |
| Answer» B. Tectonism | |
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Explanation: Earthquakes result from the sudden release of energy in the Earth's crust that creates seismic waves. Most occur along plate boundaries. Tectonic earth-quakes occur anywhere in the earth where there is sufficient stored elastic strain energy to drive fracture propagation along a fault plane. |
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