D. 36. What is the definition of REFRACTION? a. A hard, amorphous transparent material made by heating a mixture of sand and other additives b. The change in direction of light as it changes speed when moving from one substance into another c. Without shape or form; applied to glass,it refers to having particles that are arranged random instead of with a definite pattern d. Aratio of the mass of an object to its volume e. The chemical formula for silica (SiO_(2)) a b o e Di) d