The surface area of the laboratory bench is 4.16 metre square. Explain why this area is called a derived quantity.

A) acceleration. this seems to be the one that makes sense.

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.