An individual's power in a group may be based on position and/or be earned

Which of the following terms refers to clearly making the sounds in the words of a language?

a. pitch b. rate c. articulation d. diction e. pronunciation

The front region refers to ______.

a. a place where we perform identity b. a place where we can perform our informal self c. an occasion in which we perform our professional, proper self d. an informal occasion of identity