Q.6:- What is the significance of energy? Differentiate between commercial and non-commercial sources of energy.
Energy is a critical aspect of development process of a nation. It is essential for industries, agriculture and related areas like transportation of finished goods. It is also used for domestic purposes like cooking, lighting, heating, etc.
Non Commercial energy
|(i) The sources of energy that are available to the users at some price are referred to as commercial energy.
(ii) This form of energy is used for commercial purposes.
(iii) For example, coal, petroleum, natural gas and electricity.
|(i) The sources of energy that are usually available freely to the users are referred to as non-commercial energy.
(ii) This form of energy is used for domestic consumption.
(iii) For example, Firewood, agricultural waste, animal waste (cow dung)