Energy source

Throughout history people have obterned energy, from their own muscle, animals, the wind. raning water, several types of fuel ( wood, coal, oil, petroleum , etc.. ) and electricity . Of course tradithonal souces of energy are being used Example:- Muscles energy in order to carry out certain tasks - Animals for pullin ploughing the land in the developing countrys -Air currents for sairind both wind farms running water for hydroelectric power stations, rivers boats fuel for cars, gas or coal boyrness electrricity for house hould electrical apliances industrial machineri