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Pregunta | Respuesta |
Suture line | The zone marking the boundary of two colliding plates. |
Benioff zone | Area in the subduction zone where most earthquakes take place. |
Lava | Once magma reaches the Earth's surface it is known as lava. |
Continental Shelf | When continental crust is covered by an ocean. |
Focus | The centre of the earthquake. |
Epicentre | Lies directly above the focus and suffers the greatest intensity of seismic waves. |
Longitudinal waves | Have a push-pull motion where particles travel in the same direction as the waves. |
Transverse waves | Particles swing back and forth on a vertical plane like ocean waves. |
Wavelength | The distance between two peaks (or troughs) in a wave. |
Viscous | slow moving |
Tephra | Ash |
Pyroclasts | rocks |
Pyroclastic | Fire-broken |
Lapilli | small stones |
bombs (volcano) | larger material |
Pumice | Solidified foam, scum on top of the lava. |
Nuee ardente | Fast moving cloud of very hot, toxic gas. |
Ignimbrite | The material deposited by nuee ardente. |
Solfatara | Sulphurous deposits formed around a vent. |
Pseudo-bedding | Parallel horizontal planes. |
Joints | Small cracks in the layers of rock created during earth movements |
Denudation | Long-term sum of processes that cause the wearing away of the earth’s surface. |
Precipitation (chemistry) | It is the formation of a solid in a solution or inside another solid during a chemical reaction. |
Rock outcrop | The part of the rock formation that appears above the surface. |
Metamorphic | Changed in shape or form. |
Decomposer | Bacteria, fungi. Can be part of any trophic level E.g. detritivores. |
Omnivore | 'All-eaters' |
Yield | Production |
Nutrient cycling | The circulation of chemical energy from environment to organism and back. |
Podsolic soil | A leached soil formed mainly in cool, humid climates. |
Ferrallitic | Any one of a group of soils that form in the humid tropics as the result of chemical weathering. |
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