Fracking or hydraulic fracturing is a method utilized by oil and gas companies to increase production of oil or gas from a well that would otherwise exhibit a low flow rate usually due to the geologic rock formation being too dense to allow for the economic recovery of hydrocarbons.
The Vikings lived in Scandinavia (mainly Norway, Sweden and Denmark), and in Iceland. They ventured (and proliferated) as far as Italy and the Mediterranean, but more commonly sailed to Ireland, Northern France, England, and even North America. Norway, Sweden, Denmark.
Vikings (Norwegian and Danish: Vikinger; Swedish and Nynorsk: Vikingar; Icelandic: VÃ­kingar), from Old Norse vÃ­kingr, were Norse seafarers, speaking the Old Norse language, who raided and traded from their Scandinavian homelands across wide areas of northern, central and eastern Europe, during the late 8th to late 11th centuries.