Who is the president of Zambia

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?

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.

Under a tyranny the power to make a political decision is in the hands of a