The class of disorders marked by extreme and inflexible characteristics that often cause impaired social and occupational functioning are referred to as disorders.

Personality.

Explanation:

The mental disorders affects the thinking ability of the individual. The mental disorder individual shows abnormal behavior in the society and might feel anxiety or feel awkward among the people.

The personality disorder is a type of the mental disorder in which the individual have unhealthy thinking level. This disorder affects the social status and his personality in the society. The occupational functioning become improper and requires the proper medical treatment.

Thus, the answer is personality.  

answer: 4

explanation: 8

b. read the phase at the intersection of any given temperature and pressure.