What was one cause of world war 1 in europe?

a) communism

b) imperialism

c) isolationism

d) socialism

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?

Explain what might happen if the supreme court did not have the power to check the other two branches.

What was the purpose of the cuban revolution