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When an adolescent's newly sophisticated metacognitive capability causes him or her to become self-absorbed and believe that the world is focused on only him or her, this is called <u>b) adolescent egocentrism</u>.
<u>Explanation</u>:
Adolescent egocentrism is the term used by psychologist to describe the incapability of young people to differentiate between their perception of what people think about them and what others actually think in reality.
The adolescent egocentrism concept was expressed by the psychologist David Elkind. Adolescent egocentrism is found in children of age 10-14 years. They always think about what others will think about them. The young people consider themselves as center of attention and never focus on others views.
The best answer from the ones mentioned is the last one: encomienda.
Encomienda is a system where the stronger partner provides protection to the weaker one in exchange for goods and services.
Metal is known to be the main thing that they believed to be used in order to achieve longevity. As per Chinese Alchemy, they believe that the use of gold and cinnabar is the main factor that can be used in order to acquire longevity once used.
The phrase that best completes the statement given would be "generativity versus stagnation stage." This belongs to the seventh stage of the psychosocial development wherein adults and the elderly belongs. Furthermore, these adults are taught on how to pursue their own careers and establish their own families.