Plzzz help me its due today​

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?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Why do scholars believe that atlantis was a ficitonal place created by plato