Original sentence: jack was here 09
Edited sentence: Agricultural runoff and wind blown debris are prime examples.An example is directly discharging sewage and industrial waste into the ocean.Nonpoint source pollution occurs when the pollution comes from ill-defined and diffuse sources.Point source pollution occurs when there is a single, identifiable, and localized source of the pollution.Pollution is often classed as point source or nonpoint source pollution.Pollution such as this occurs particularly in developing nations.These can be difficult to regulate