The most obvious difference between radio and television is that you listen and look at the television, but just listen to the radio. In this way, radio is more 1._____ because it forces you to form pictures in your own mind rather than providing you with 2._____ information, which is what television does. In 3._____, radio is more 4._____ than television, since you don't have to be in the same room as the radio set in order to listen to the 5._____, but you do have to be in the same room as a television in order to watch it. A radio is also far more 6._____ than a television. You can listen to the radio while driving the car, jogging or even just walking around. Although portable televisions do 7._____, you can't really watch one while you are 8._____, for example. One of the main advantages of radio, however, is that it offers the listeners more 9._____ access to information. Most radio stations broadcast news reports at 10._____ half-hour or hourly intervals, but television news is only broadcast a few times each day. Also, the 11._____ of topics you get on the radio is much greater than that on television. Radio is more personal than television. Many radio programs are 12._____ in a way that television can never be. Listeners can call the radio station they are listening to and 13.______ their thoughts and opinions live on air. You can't ring up a television station and express your opinions, can you?