A passenger has a briefcase which he finds difficult to hold while travelling in a crowded commuter train. Mark who has a seat to himself proposes that the passenger pass the briefcase to him so that he can stand comfortably. Mark does this so that the next time he is in the position of the passenger he would be helped in the same manner.
1. The above incident serves as an example of .
Options:
O an informal social contract.
O natural rights.
O the invisible hand.
O utilitarian sacrifice.
O veil of ignorance.

Rock concerts musical instruments cell phones and contact lenses are just a few things that are possible because of

Which of the following was featured in the middle-class lifestyle of the gilded age? a new emphasis on acquiring goods a return to classical ideals renewed interest in controlling journalists a reflection of rural values

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.