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the cascadia earthquake affect portland oregon could injured 27,000people displace 85,000,kill1,400and cause $37 billion in damage building
Saltation - During wind erosion, wind carries loose material from the bed, but transports it back to the surface later. This can be done by any fluid, like water too. Other examples of saltation include transport of pebbles by river and snow drifting over smooth surfaces in the Arctic.
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maximum at urban and minimum at ruler areas as per studying
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Plate tectonics is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century.
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