Quantity: the displacement of the space shuttle after its flight type of quantity:

The displacement of the space shuttle after its flight is a Vector quantity.

Vector quantity, it is a physical quantity that to define it, it is necessary to specify both its magnitude or module (with the respective units) and its direction.

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

Try b? sorry if i’m incorrect