Erosion - the transport of soil & sediments across a landscape.
Erosion is responsible for the creation of some hills and valleys
Detachment - requires the breaking of bonds that hold particles together to the source.
weathered materials are normally were susceptible to detachment than unweathered materials.
Entertrainment - second step of erosion.
Entertrainment involves the lifting of particles by the agent of erosion.
Transportation - third stage of erosion, where the particle is moved from its original location.
Deposition - final stage of erosion, when the particle reaches its new location.
Presence of Infectious Agents Water pollutants include disease-causing organisms such as cholera, typhoid fever, hepatitis, bacterial and amoebic dysentery, polio, and schistosomiasis.