When students learn, they keep records on books. Books are very useful to students when learning. Because they keep records and when things learnt forgotten books should be there to write about them on papers or books. Why books are useful? People keep things written on books so even if the information is forgotten they are not lost. Not only when you forget about the information, people in the past wrote on books about important information which are useful for every human beings' lives. Some of the people who wrote on books are not alive. So in these scenarios books had been very useful and important to keep records on so if there were not these books people live in present may not be able to get these information. In the past people used to write things on rocks, trees and in caves. But after papers are made people started to write things on papers and books. So they are remained for a long time. As the time pass by the technology revolution occurred. So everything...
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