What events shaped the rise of muslim arab empires and the eventual transfer of power to the seljuk turks?

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?

Segregation or discriminatory practices that occur even when there is no explicit legal enforcement

What is the cause of their extinction