3 Select the correct answer.
What represents the value of the second-best alternative that a person gives up when making a choice?
OA marginal spending
OB. marginal benefit
OC. opportunity cost
OD. marginal cost

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.

According to the article about the zhou dynasty, this dynasty was broken into different eras because its capital changed from place to place. how many different eras were there in the zhou dynasty? a. two b. six c. ten d. fourteen

This country is the world's leading producer of cork?