Water quality Reference Libraries
Water pollution is the contamination of bodies of water including rivers, oceans, lakes, aquifers and groundwater. Water pollution is when pollutants are discharged directly or indirectly into a body of water without adequate treatment to remove harmful compounds. Water pollution affects the plants and organisms that reside in these bodies of water. In almost all of the cases the effect is...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.