Answer:
D. All of the above.
Explanation:
Their are many reasons why economists study the perfect competition model but we will focus on the options given and it is certified that all of them are the reason for this. Because it is used as a benchmark to compare with other market structures etc.
Firms can enter and leave the market without any restrictions , therefore, there is free entry and exit into and out of the market.
A perfectly competitive firm is known to be a price taker because the pressure of competing firms forces them to accept the prevailing equilibrium price in the market. If a firm in a perfectly competitive market raises the price of its product by so much as a penny, it will lose all of its sales to competitors.
The answer is letter D.
Slavery began in ancient times and has existed around the world in different forms. Many evidences in Ancient Egyptian cultures tell stories of slavery in the building of colossal monuments of power. Other accounts are the first civilizations who used slaves to perform agricultural tasks and other forms of productions in their time. African Americans were also enslaved some time in history, being sold from one market to other. Native Americans were also enslaved during the colonization of the European society.
Answer:
B.
Explanation:
Social Stratification can be defined as the society stratified based on caste, wealth, and class. This stratification leaves certain people devoid of benefits, limited access to resources, etc.
<u>The burial site found in southwest Asia by Archaeologists which differs in size, construction, and the number of objects found in each burial site reveals that the society was socially stratified. It is because in a socially stratified societies people tend to make burial sites differently for different groups</u>.
Thus, the correct answer is option B.
Answer:
d). deductive, valid, unsound
Explanation:
A deductive argument refers to an argument which is 
that is to be 
, i.e., to provide guarantee of the truth of the conclusion provided.
When all the premises of an argument are true, then it is called a valid argument.
When an argument is either valid or invalid having at least one false premises, then it is unsound.
Thus in the context, the argument is deductive, valid and an unsound argument.
Hence the correct option is (d).
