The discussion section of a research is where researchers really explore the fundamental meaning of the whole research, the implications of the research in relation to other areas, and all possible improvements to develop any concerns with the research. It is in this section that the meaning of the results is explained and an elaboration of why one explanation is superior to another is also done in the discussion section.
Answer:The Industrial Revolution was powered by burning coal, and big industrial cities began pumping vast quantities of pollution into the atmosphere.
