Which statement is true about roman byzantine and islamic mosaics and tile work a. they show religious images but not geometric motifs b. they were always made with tiny tesserae for lifelike detail c. they have a dull colors d. they cover floors and walls

The correct answer is D. They cover floors and walls.

Explanation:

Roman Byzantine and Islamic decorated floors and walls with vibrant and ornamental mosaics and tile work which represented religious images and geometric patters. Differently to other decorative designs from other cultures, they do not represent daily activities. This technique became quite popular between the 6th and 15th century.