Glen volunteers his time at an animal shelter for a few hours a week, walking the dogs and cleaning up the mess around their kennels. karla has a part-time job at the shelter, and she gets paid to do the same dirty work. according to cognitive dissonance theory, who will be happier about cleaning up after the dogs?

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

One way in which the european union encourages trade among countries is through the use of

What were some passive/non-direct ways that enslaved africans did to resist slavery?