Answer :
Answer:
Express emotions.
Explanation:
As the exercise describes, the nonverbal communication is the way people communicates without words, be it intentionally or unintentionally. In this case, what is being communicated is an emotion of happiness, of joy, given that the individual got flowers from a best friend in his or her birthday, what gave them joy. This is expressed with the expressions of his face, as it is described "Your eyes grow wide and a broad smile crosses your face". Another example of an emotion being expressed by a nonverbal feature could be anger, with clunched fists, sadness with a crying face, etc.