English Language · English

Sentences of a paragraph are given below in a jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. The current concern is that it is rising day by day due to various resources of pollutants. B. It has been there in different forms since a long time, even before human evolution, such as volcanic eruptions, wildfire which led to various photochemical reactions in the atmosphere. C. Pollution has become a very common yet serious issue in today's world. D. And, one of the main pollutants are humans and man-made machines.