Answer:
<em>The invisible hand concept</em>
Explanation:
The invisible hand concept is a metaphor which describes the actions of a person who performs certain tasks for his own benefit but his actions also lead to being a help for the public or a society.
In the scenario, mentioned in the question, Sergio wanted to earn a nice amount of profit for himself by setting up a consulting business. In his effort to do this, he benefited the society by helping them with their computer problems. Hence, this is an example of invisible hand concept.
Answer:
the older person who has retired or receives an old age pension is senior citizens
The changes that is happening on Amber is the development of
secondary sex characteristics in which an individual undergoing puberty is
likely to have changes in his or her private body parts in the body such as the
breast and pubic area in some sensitive parts.
I believe the answer is A
