Answer:
The law of demand states that all other things being equal, the quantity bought of a good or service is a function of price. As long as nothing else changes, people will buy less of something when its price rises. They'll buy more when its price falls.
The correct answer to this open question is the following.
Although there are options attached we can say the following.
Charlemagne attempted to change the education system in his kingdom during the Middle Ages in that he was a true supporter of quality education and ordered the construction of schools in his empire.
But first, he established a series of reformations, including education reformation. He demanded children in the court to study. Charlemagne himself set the example and started to study different lessons.
Some historians refer to the term "Carolinian Renaissance," to this period of reformation and taking the knowledge of conquered territories such as the Morish, the Lombards, and the Anglo-Saxons, to the empire.
I believe the answer is: Social needs
Social needs refers to a form of necessities that could only be fulfilled with the help of other individuals. Social needs tend to affect our psychological health rather than our physical health, but if it is left unfulfilled for a long period of time, it could definitely lead to self destructive behaviour that harmful to our physical health.
Answer:
B, they need as much as they can get.