Another name could be Discrimination. This is because discrimination refers to the different treatment given to another person for reasons of his ethnicithy, origin, nationality,beliefs or any other stereotype, which might end up in inequality while a person is judged,or separated in some way from the rest of the individuals without a reason other than a personal characteristic.
Finally, discrimination also refers to favoring others over a person´s right, being this similar to partiality.
Answer: It indicates that wagon consisting the letter X is the last wagon of the train. It easily alerts the railway officials so that they can save from the accident.
Explanation:
Coal and air.
Demand for coal increased throughout the Industrial Revolution. It was the primary source of energy for the growing number of steam engines and, later, for electricity-generating plants.
