Which of the following is a characteristic of ancient roman relief sculpture?

sculptures are carved into the marble surfaces of column shafts.

artists added details using a thin veneer of richly colored tesserae.

figures are carved in high relief with deep undercutting.

Figures are carved in high relief with deep undercutting.

Explanation:

The Roman Relief Sculptures are a mix of two-dimensional pictographic arts and 3-dimensional sculptural arts, to create them Romans combined protuberances and deep carving so the details were visible. Most of the Relief Sculptures were used to portray historical and commemorative moments.

the authority to tax.