Write an essay on the telephone

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Explanation:

Each telephone has its own unique number. No two telephones in one city or town can have the same number. To talk to someone, we have to first dial his or her telephone number. Telephones are not only meant for social communication rather they are essential to encourage business. One can place and take orders, enquire, exchange information, book tickets, request for payments, track or report status of delivery, take or cancel appointments, etc.

Nowadays, mobile phones are extremely popular. Unlike the landlines at home or offices, one can carry these in one’s pocket. This is another invention that has helped to make the world a smaller place. One can call and speak to anyone almost instantly.

Telephones are extremely convenient to exchange information. They save time, energy and labour of personally going and have any information. They are a big boon in times of emergency. It is said that in times of need, a telephone can literally save a life. Mobiles or landlines are meant to help us. We should not overuse them to count their disadvantages.

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.