Pollution of water originates from human activities. Through different paths, pollution reaches surface or ground water. Which of the following are true ?

Options

A. Easily identified source or place of pollution is called the point source
B. Non-point sources of pollution are those where a source of pollution cannot be easily identified.
C. Municipal and industrial discharge pipes are non-point sources of pollution.
D. Agricultural run off, acid rain, storm-water drainage (from streets etc) are point sources of pollution