what’s the name of a special move in chess which allows a player to move two pieces at the same time?

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?

Your point of view - why is it important to remember the holocaust event in history?

How can christianity affect the cultural landscape of a place?