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.
Herds resemble slow moving, multicolored forests of bare trees as their horns sway with every step. The AnkoleâWatusi breed is part of the Sanga family of African cattle breeds, which originated over 2,000 years ago from a combination of the Egyptian.
1 Colouration: Just like one of the breeds they have originated from (Angus), most Brangus cattle are black, although there are red Brangus cattle, ass noted below. 2  Some cattle producers may refer Brangus and Red Brangus cattle as collectively Brangus cattle. Body type and characteristics: Brangus cattle are beefy cattle, with the same body characteristics and weight as Red Brangus, Beefmasters and Gerts: moderate-frame, loose skin, more rounded appearance on the rumps, and loose navel in all sexes and ages.