Types of Water Pollution. Toxic Substance -- A toxic substance is a chemical pollutant that is not a naturally occurring substance in aquatic ecosystems. The greatest contributors to toxic pollution are herbicides, pesticides and industrial compounds.he sources of water pollution are categorized as being a point source or a non-source point of pollution. Point sources of pollution occur when the polluting substance is emitted directly into the waterway. A pipe spewing toxic chemicals directly into a river is an example.
African Cattle. We supply two breeds of cattle from the Horn of Africa: Ethiopian Boran cattle (which have a pronounced hump) and the Somali cattle (which have a smaller hump).
Famous Largest Cattle Breeds: 1  1. Chianina: This breed has originated from the Italy and now can be found in different places of the world. 2  3. Maine-Anjou: You can make an assumption by the name that this breed has originated from the place Anjou, 3  4. Glan Cattle: This Breed is straight from Germany and it was bred there for multi-purpose use.