<span>A mastaba is a type of ancient Egyptian tomb in the form of a flat-roofed, rectangular structure with inward sloping sides, constructed out of mud-bricks or stone.</span>
d.
Pre-Edict Christian
As the Christian symbolism was very much evident in this art.
True. If you were to look up American Folk Art Paintings and go to images you would find that many of them are farms or farmlands.
Fresco: buon fresco<span>technique consists of painting with pigment ground in water on a thin layer of wet, fresh, lime mortar or plaster, for which the Italian word for plaster, intonaco, is used.</span>