The correct answer is C. Electricity.
E-commerce is the buying and selling of goods or services over the Internet, and the transfer of money and data to execute these transactions. M-commerce is a subset of e-commerce that refers to the buying and selling of goods or services through mobile devices such as smartphones and tablets. E-learning is the use of electronic media and online tools to deliver educational content and instruction.
Electricity is a form of energy that is produced by the movement of electrons. It is used to power homes, businesses, and industries. It is
not an e-service because it is not delivered over the Internet.