Charlene has had a bad cold for the last few days. While preparing a presentation for her speech class, she records her talk so that she can critique it later. When she listens to the recording, her...

Charlene has had a bad cold for the last few days. While
preparing a presentation for her speech class, she records her
talk so that she can critique it later. When she listens to the
recording, her young daughter exclaims, “Mommy that doesn’t
even sound like you. What happened to your voice?” How is
Charlene’s cold related to the changes in her voice?