Where does the comma belong in the sentence below? No do not tell Gina about the party because it is a surprise.

Analyze why south america is a place of ethnic diversity.

What are the six basic purposes of government as outlined in the preamble to the constitution?

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?