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Why to use web search engines?Web search engines are devices that browse the internet based on the keywords youenter. Bing, DuckDuckGo, and Yahoo are a few of the most widely used searchengines.Why to use library discovery tools?A collection of links to numerous journal articles and other online resources the library subscribes to is combined with the standard library catalog (which lists the materials the library holds) in library discovery tools. A sample of a library discovery tool is Quick Search in the ISU Library.Why to use article indexes?Finding scholarly materials like journal articles, book chapters, and more is made easier with the use of article indexes and databases. Finding specific results is made possible by these tools, which employ the keywords you supply to search through information on scholarly sources (such as themes, authors, and titles).Hence, its best to use multiple finding tools when looking for information.You can learn more about tools for finding information from the given link:https://brainly.in/question/12046977#SPJ4