What caused researchers to stop the Stanford prison experiment after only six days? A. The students' parents had not given their consent to the experiment.
B. The students acting as prisoners were showing signs of extreme distress.
C. The students who were guards were unable to control the prisoners.
D. The students who were acting as prisoners were aggressive and cruel.

All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u.s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

The author believes that the concept of fairness is not a useful term