What is the difference between point source and nonpoint source pollution?

The point source pollution has only a single source. The nonpoint source comes from many diffuse sources. The nonpoint source's pollution is caused by rainfall or snowmelt moving over and through the ground. It can cause problems with the quality of the water. It is caused by disconnected sources of pollution.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.