The berlin wall became a symbol of the cold war because it

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?

When children heard an interesting story about a sympathetic and resourceful african-american child, the aim was to provide them with?

What are the unique drivers of behavior that are a result of language and culture?