What is the speaker using if he sounds angry or confused when they talk?

a. pronunciation

b. enunciation

c. intonation

d. active listening

"Intonation" is the one among the following choices given in the question that the speaker is using if he sounds angry or confused when they talk. The correct option among all the options that are given in the question is the third option or option "c". I hope that the answer has come to your expected help.

The answer your looking for is a food chain grid. it describes how nature can support itself and survival of the fittest comes into play..