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PRESENTATION OUTLINE
EROSION
ANA LAURA &SOFI
Water:
Running water causes erosion through friction. Additionally, running water can carry dust, silt or sand particles, which may also work to erode a given surface. Typically, water erodes surfaces in one of four ways.
Photo by SoilScience.info
Wind:
Wind causes erosion in one of three ways: suspension, saltation or surface creep. There are many problems that arise from wind erosion, including air pollution, soil loss and dryness. Soil tillage, crop barriers and crop strips all help reduce the effects of wind erosion.
Photo by Paul Ealing 2011
Plants
First of all plants don't affect erosion in fact, they help us to stop soil from eroding. The process of wearing away of soil slowly over a period of time by wind , water , etc. is called soil erosion . The roots of the plants hold the soil and its particles together to prevent the soil from erosion . That's why we must plant trees to stop soil from eroding. 😃
Photo by MissTessmacher
Humans
Human activity on and around the earths surface whether it is in your backyard or down the park are known to cause erosion 10 times more than naturally occurring processes. Human life has been the number on cause of erosion dating back to the first millennium. Agriculture and construction are the 2 ways in which humans cause erosion. Construction when unnecessarily conducted can be quite damaging to soil and dirt. Vegetation and agriculture are also 2 human causes of erosion because humans move the top soil and make it prone to erosion.
Photo by Trocaire
