Answer: C. . I and III
Explanation:
Scarcity occurs when our want and the needs are more than the available resources that we have. In this case, we will then have to make a choice to be able to choose from the different alternatives that we have.
When we make a choice, the cost of the other alternative that we left is refered to as the opportunity cost. Therefore, the correct options are:
• The "highest-valued alternative given up to get something" is the opportunity cost.
• Scarcity creates opportunity costs
The statement that wealthy economies don't experience opportunity costs is wrong. Every nation experiences opportunity cost.
He ran a federal bank in Maryland.
Answer:
Vocalizations like "uh huh," "oh," and "umm" that encourage others to continue speaking or indicate that we would like to speak are called Back-channel cues.
Answer: Tan builds a central idea of her story analyzing the type of questions and how they can affect students' ability to write well.
Explanation:
Tan analyses the type of questions and exercises present in the test, and quoting her mother, she affirms that are too easy.
In the given example: "Even though Tom was <u>foolish</u>, Mary thought he was <u>ridiculous</u>." The adjectives <u>foolish</u> and <u>ridiculous</u> can be replaced by any other. In that way, Tan asserts that this kind of tests might affect students' ability to write well because they aren't putting real effort on solving them.
