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10:01AM BAM O'S 48 72%, Chapter 10, VERY FAR,A LITTLE FAR, 1.Write the various methods used in the past, in communication., *Pigeons were used to exchange messages., *Perumbra is used to inform the orders of the, king to the subjects., *Doothan - The king's message would be, written on palm leaves, copper plates , silk, clothes and passes through the hands of, Doothan., *Anchalottakkaran, delivers the letters by, giggling a bell while running., 2.Comparison between letter and phone., Letter. Phone, *Written mode. *Spoken mode, *It may take days for *The message arrive, the message to arrive. _ shortly., *Messages can only *Communication in, exchanged from one. both directions., part at a time., 3.What could be the reasons for the changes, in the field of communication., *The needs of people have increased., 4.What are the changes that have happened, in the field of communication., *Increased speed., *Less expensive., *More convenient., 5.Changes in the field of communication., Radio- _ Television, Letter- E-mail, Telephone-Mobile phone