Identify the three major rivers in africa

If an atom has 35 protons in the uncles , how many elements will it have orbiting the nucleus

1. what is the electoral college? 




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?