Another name for it is 12 Tone
The correct answer is letter C. The Apse. Apse is the more or less the central plan of the church and it is where the altar is located. It is a semicircular space containing the high altar.
The many achievements of the ancient Egyptians include the quarrying, surveying and construction techniques that supported the building of monumental pyramids, temples, and obelisks
The answer would be cooperation this may not be the answer just so I know but i hope this helps