Think about how the African Empires and the ones you’ve learned about, including what’s going on in Europe and the Islamic State and how they are the same and different. HELP
thank you so much :)

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?

To what kinds of messages might the brain respond to keep you balanced on one foot?

Rank the following from most to least devasting: ordovician, permaian, cretaceous, pleistocene