Asad and Ian are having a conversation. Asad keeps stepping forward, and Ian keeps stepping backward. As an astute observer, you would think, perhaps:

Transparencies are suitable for all kinds of visual materials including photographs and complex

graphs. Indicate whether the statement is true or false

In order to produce sound you need

a. to use clavicular breathing b. to tense the muscles in the neck and throat c. respiration from the top of the lungs d. a steady breath from the diaphragm