What was one of the reasons the Roman Empire fell? A. It discharged its army and left Rome completely unprotected. B. It was difficult to rule such a huge empire. C. The empire never reached the Americas and vast wealth. D. It did not conquer all of Asia.

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?

Why do governments supply public goods and services instead of selling them to those people who use them

Explain the diversity of race in latin america