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.
If the majority party in the House is the Democratic party, then the C) speaker will be a member of the Democratic party.
As for the article I found this source: http://revistascientificas.udg.mx/index.php/MYN/article/view/6646/6179
To achieve the summary, you should at least read some part of the article and briefly explain how they identify that efficiency, responsiveness, flexibility, quality of food and quality in the process, and deterministic and business models are those that are often used to measure the performance of a supply chain. (at least one of them)
The supply chain can be defined as a network of independent organizations and connected with mutual work and cooperation between them in order to control, manage and improve the flow of materials and information from the supplier to the consumed. The emphasis on measuring the performance and efficiency of supply chains in order to identify in what or what links are the problems and how to solve them.
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A thick tree ring indicates that the year was good for its growth with good feeding, enough water and sun. The thickness of the tree can suggest when the growing time was longer at the time of warmer times and when shorter with cooler times. With this explained, we can choose Warm year as the correct answer.