What is the name of the Christmas flower which comes from Mexico

The chart shows four articles read by the students in a science class

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 of the following did the founding fathers see as a benefit of the federal structure (federalism) of government? a.) all power is concentrated in the national government. b.) the power is divided between national and state governments. c.) all the power is concentrated in the state and local governments. d.) the power is divided between the people and the government