ผู้เขียน: Carolann D. Webber

Eutrophication is an increase in the concentration of chemical nutrients in an ecosystem to an extent that increases the primary productivity of the ecosystem. It is simliar to red tides, depending o …

Apart from the biochemical and genetic models, there are many psychosocial theories including psychodynamic, cognitive behavioral, phenomenological, existential, biochemical as well as social constru …