Answer:
Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. ... For example, “cost” may refer to many possible ways of evaluating the costs of buying something or using a service. Friends or newscasters often say “It cost me $150 to buy the iPhone I wanted.”
Explanation:
9 gives info that the author is giving evidence about the topic
10 needs info to inform the readers
Answer: Vǫluspá is the first and best known poem of the Poetic Edda. It tells the story of the creation of the world and its coming end, related to the audience by a völva addressing Odin. It is one of the most important primary sources for the study of Norse mythology.
Explanation:
You're right, the answer is caring. :)
8) D that’s the only one I know for sure. Have a good day