Prior to developing the condition, most people with Guillain-Barre barrÃ© syndrome have a bacterial or viral. Infection the first phase Of-Guillain barre, barrÃ© syndrome during which signs and symptoms of the, condition worsen can last up to, four weeks although the peak of the illness is usually reached in one to. two weeks
Examples of erosion include . Rocks on the river bed . The wind blowing the topsoil from a freshly plowed piece ofland. . The tides washing away sand . Rain and moving waâ¦ter in oceans, rivers, and streams can erodeeven the hardest stone over time.
Landslides. Movements of earth down a steep slope are called landslides. Landslides happen when hills or mountains become unstable. Slopes become unstable when the pieces of rock that form the slopes are not properly supported. Human activities, water, frost and ice can cause landslides.nlike earthquakes and volcanic eruptions that can change landforms in a matter of hours, changes caused by weathering take thousands or millions of years. The speed at which weathering forces work depends a lot on the action of water and the temperature of the area.