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).
There are many breeds of tropical cattle but here are just a few for starters: Dajal-a white/grey humped cattle found in and near Pakistan Brahman-these are the cattle that â¦ are considered sacred in Hindu religion and are found in India Ilawarra-a cattle found in Australia and some southeast Asian countries.