Which technique involves painting on a freshly plastered wall and was popular during the greek, roman, medieval, and renaissance periods?
tempera
watercolor
fresco

the fresco   technique involves painting on a freshly plastered wall and was popular during the greek, roman, medieval, and renaissance periods. fresco painting is the method of painting water-based pigments on freshly applied plaster. it was usually done on wall surfaces.

i think this is true