Apart of identity, as suggested by rosenberg, that is made up of several elements derived from interaction with other people and social systems is called:
a. physical characteristics
b. social identity
c. individuation
d. dispositions

B. social identity

Rosenberg's Identity Model came out in 1986 and explained key attributes of identity. Social identity of an individual is formed due to his or her interaction with other people or the systems existing in society. Social identity includes labels, membership groups, social status etc. Disposition includes self made aspects of identity like habits, attitude, likes, dislikes etc. Physical characteristics form the physical part of identity. They include height, weight, facial features etc.

a lack of sleep can affect body weight. two hormones in the body, leptin and ghrelin, control feelings of hunger and satiety, or fullness.

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