PLEASE HELP! Please put an actual answer

Which of these situations shows someone who is considering opportunity costs?

A. Sam volunteers in a hospital and later joins his friends in a game of football.

B. Martha buys all the groceries she needs for the month.

C. Amanda decides to use her free time to exercise instead of sleep.

D. Clara goes shopping at a mall and buys two pairs of shoes.

If the president needed to send two members of the cabinet to italy to negotiate a military treaty, the secretary of defense and the secretary of would most likely be sent.

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress. risks are specific to time, situation, and culture. there are never any risks. if a study offers potential benefits, it is not necessary to minimize risks.

Mike and his wife, amanda, are arguing about his in-laws. mike doesn’t want them to visit because they fight all the time when they come to the house and he is worried about the effect that their fighting is having on mike and amanda’s children. amanda finally yells out: “what about our fighting? ” mike replies, “well, that’s different. we fight because we’re having a disagreement, they fight because they hate each other! ” this is an example of