In the picture given below it is shown that the sewage water is running out of a pipe from someone's backyard into a stream? Study the figure and answer the questions that follows.

(a) Name the kind of pollution shown in the above picture.

(b) Name two sources of this pollution besides sewage.

(c) Name two infectious diseases that spread due to this kind of pollution.

(a) The given picture is showing water pollution.

(b) Besides sewage, two common sources of water pollution are

1. Industrial wastes.
2. Agricultural run-off.

(c) The two infectious diseases that spread due to water pollution are:

1. Typhoid.
2. Dysentery.