Opportunity cost refers to a particular thing that is given up in order to acquire another thing. Choices have to be made and something has to be given up because resources are scarce. In the question given above, Gretchen gave up buying two jeans, she bought one instead so that she can buy a guitar amplifier. The jeans, which should have cost $50 that she gave up and did not buy is the opportunity cost in this case.
Answer:
A or D Those to are to are stick out to me sorry if wrong
People can communicate with other people across the globe, families and friends can keep in touch even when they aren’t together, talent can be recognized, which can give someone who works hard on something a career (like a good artist or singer) and it also can make people feel good by seeing something positive like a video of a puppy’s first birthday, that they wouldn’t have seen without it
<span>According to the National
Archives, Chief Justice John Marshall established the principle of
judicial review in the landmark case of Marbury v. Madison. His
decision expanded the powers of the Supreme Court by establishing its
right to overturn acts by the president, Congress and states if the acts
violated the Constitution. With this decision, Chief Justice Marshall
added judicial review to the governmental system of "checks and
balances."</span>
Answer:
c. incentive.
Explanation:
Based on the information provided within the question it can be said that this sudden change shows the effects of incentives within the experiment. This term refers to a constant motivator for the test subjects which is a reward that the test subjects get if they perform a desired action or outcome. Which in this case the food reward was the incentive that the rats wanted in order to complete the complex maze with less errors.
