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Functions of communication:
Broldly the main role of communication in a social system is : Receiving and conveying.information which may be facts, messages or opnions; this may take place in discourses, debates or discussions.
Motivating a person receiving the message, whether through an individual or through a medium of mass communication like radio, television, newspapess/journals, books or films, towards a course of action.
This can extend from adopting a method of family planning, changing one's food habits, to working for a social or political cause. Providing education and culture; from a class-room situation where knowledge and skills may be imparted, to dissemination of cultural heritage and values as well as cultivation of artistic interests. Entertaining, whether for personal or collective enjoyment through public music, drama or sports. Influencing opinion to serve certain economic or political interests. These are some broad functions of communication. Most of our activities fall under one category or another.
Nature of scientific knowledge: Science, as we have seen, is inseparable from the rest of human endeavour. In the past few thousand years of human history, an immense fund of
Water Borne Diseases: Diseases like cholera and typhoid, as well as diarrhoea and dysentery, are spread through water. Germs of these diseases multiply in the gut of the inf
How to prepare hydrogen Hydrogen can be prepared from a dilute acid, like as hydrochloric or sulphuric, when it is chemically reacted with a metal like as zinc. The acid may be
Requirements Screw driver - 1 Wire stripper - 1 6/16 A Plug -1 Electrical appliance (any, without plug) - 1
Identification of curves
Food Borne Diseases: If the food handler, like the cook, suffers from some infection and is not careful about washing his hands after defecation, the germs or eggs of worm
Explain Yawing Reflex Actions - Respiratory Pocess Yawning: It is a deep inspiration drawn through open mouth. Low oxygen tension in the blood may be the cause of yawning.
Procedure : Steps 1 to 3 and step 5 are demonstration steps and will be performed by your counsellor. Observe these steps carefully. 1. The cotton plugs/caps of the test tubes,
Hard and soft water in cleaning Prepare two samples of dirty cloth. Wash one in soft water with soap unless it is clean. Wash the other cloth in hard water for the similar leng
Palaeontological Evidence: Palaeontology is a branch of earth sciences, which is essentially a study of plant and animal life in the past geological periods, millions of ye
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