Question

mood means:
a public disturbance
four distinct categories of location in life
the prevailing psychological state
a highly developed state of perfection

Explanation:

In psychology, mood refers to a prevailing psychological state. It is a relatively long - lasting and less intense emotional state compared to an emotion. It is not a public disturbance, nor related to the fourth and second options which seem to be mis - worded and not relevant to the concept of mood.

Answer:

the prevailing psychological state