Which one is NOT one of the primary facial expressions? O Joy
Surprise
Anger
O Fear
Sleepy
Disgust
Sadness

Sleepy

Explanation:

Joy – this is not the right answer as joy is one of the primary expressions.

Surprise – this is not the correct answer, surprise is a universal facial expression.

Anger – this is not the right answer, anger is the primary facial expression.

Fear – this answer is incorrect, fear is a universal expression.

Sleepy – this is the right answer. Sleepiness is not one of the primary and universal facial expressions, which means that different people and different cultures express the lack of sleep differently.

Disgust – this answer is not right, disgust is the primary facial expression.

Sadness – this is not the right answer, sadness is a universally known expression.