Answer:
By using the pronouns “I,” “me, and "my,” the author uses informal language in a firsthand account, giving it a friendlier tone.
Answer:
Opportunity cost is the value of the next best thing you give up whenever you make a decision. It is "the loss of potential gain from other alternatives when one alternative is chosen". ... For example, opportunity cost is how much leisure time we give up to work.
Explanation:
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A paragraph in an essay and NOT an example of insertion.