What was the impact of the 13" Amendment on American society?

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?

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.