Evan Sewell Wallace, best known by his stage name e-dubble (often stylized E-DUBBLE or shortened to e-dub) (November 1, 1982 - February 13, 2017) was an American rapper from Philadelphia. He was best known for his Freestyle Friday series in which he released a new song each Friday throughout all of 2010, with one final release in 2012.
Parent material is the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.arent material is the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.
It is a stratified mixture of inorganic and organic materials, both of which are products of decomposition. Inorganic component of soil i.e. mineral constituents are derived from the soil forming rocks, by fragmentation or weathering. Weathering of rocks takes place by two methods: