How did india benefit from western technology?

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?

4) what articles do you think a soldier would have in his “old kit bag”?

Why does the united states constitution require that a national census be taken every ten years?