Slip is an artistic technique in which _____________________
a. a thin clay based liquid is used in the production of ceramics as either a glue to hold pieces together, or as a paint.
b. at least two elements are mixed to make a single metal sheet that can then be modeled through a process of hammering or melting.
c. a style of painting in which a white layer, which is then covered in light brown washes is applied. Finally, the images are outlined in dark brown or black.
d. a ...