a.
Medium is
a way in which an artist creates a work o
b. the material of a work of art.
c. the use of more than one tool to create a
d. made from ground up solids that contain
Answer: C, the use of more than one tool to create art
Explanation:
Like painting, or digital art, those are two different mediums of art, to different ways of doing one thing, another example would be, Oil pastels and Graphite, hope this helps