The elements in each pair have in common it that they are metaloids
Well, if you are moving forward in a direction, then your velocity is your speed with the direction you are moving in. To calculate velocity, you divide your distance traveled by the time it took to travel that distance and you add your direction to it.
So to conclude, 300/100= 3 m/s South
They were created with stone and wood and sometimes even bones, I hope this helped!
