Water pollution from pulp and paper mills harms plants, animals, and humans. this is an example of

Point source pollution

Explanation:

All industries and farms which release pollution at their own place comes under the category of point source pollution.

A point source pollution is basically immobile and is released by a single source. While a non point source of pollution diffuses from different directions such as storm water run off drainage, Land runoff , precipitation etc.

Thus, water pollution from pulp and paper mills harms plants, animals, and humans. this is an example of point source pollution