in painting, medium is \na. the choice of liquid or gas that is added to a pigment.\nb. the substance that…

in painting, medium is \na. the choice of liquid or gas that is added to a pigment.\nb. the substance that is added to a color in order to help application.\nc. a media that consists of natural or synthetic mineral or plant substances.\nd. the pigment that mixed with a binder of hot wax and fixed with a heat application.
Answer
Brief Explanations:
In painting, the medium is the substance added to a color to aid in its application. Option a is too narrow as it only mentions liquid or gas added to pigment. Option c is about media which is not the same as the medium in painting context. Option d describes a specific pigment - binder - fixing process rather than the general concept of medium.
Answer:
b. the substance that is added to a color in order to help application.