... Prepthem.(Complex Compound Sentence)ReferencesCrown,1996. Exploring Language. New Zealand: Learning Media Limited on behalf of Ministry of Education, P O Box 3293,Ramsay, 1986. http://english. ... history of radio, the uses of radio, and how the radio is used as a media of education especially in learning English.B. History and invention of RadioOriginally, radio technology was called 'wireless ... bandwidth than AM. On an AM radio SSB sounds like ducks quacking. Viewed as a graph of frequency versus power, an AM signal shows power where the frequencies of the voice add and subtract with...