Minerals are inorganic substances that the body cannot produce on its own.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.