Which of the following are considered as pollutant (s) of the water bodies?(a) heated water(b) plant nutrients(c) heavy metals(d) organic compounds

Heated (thermal) wastewaters flowing out of electricity-generating units, heavy metals (defined as elements with density > 5 g/cm3 such as mercury, cadmium, copper, lead, etc.), organic compounds are water pollutants. Even plant nutrients cause acceleration of eutrophication and thus are pollutants.