A fresco is a painting that artists create by applying pigments to damp plaster walls. Option C is correct.
The fresco is considered as one of the most significant mural-making techniques in the history of art.
A fresco painting is a work of wall or ceiling art created by applying pigment onto intonaco, or a thin layer of plaster. It is translated to “fresh” in Italian, as a true fresco’s intonaco is wet when the paint is applied.
