…A… of pollution are those where a source of pollution cannot be identified. Here, A refers to :

Non point source of pollution are those where a source of pollution cannot be identified. 100. Which of the following is/are the examples of non-point sources of pollution? I. Agricultural run off II. Acid rain III. Drainage (from steels, lawns) (a) I and II (b) II and III (c) I,II and III (d) I and III Non point water sources of pollution are those where a source of pollution cannot be easily identified e.g., agricultural run-off (from farm animals and crop fields) acid rain, storm-water, drainage (from streets, parking lots and lwans). 101. Disease causing water pollutants are called: (a) Ch