It's important to match your exercise shoes with the type of exercise in which you will be participating.

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather