<span>I believe the correct answer an arch.</span>
The resulting architectural form of dome, a rounded
vault forming the roof of a building or structure, is generated by rotating an
arch 360 degrees about a vertical central axis. Dome, in the modern world, is
usually found over religious buildings, legislative chambers, sports stadiums,
and a variety of functional structures.
I believe the answer is...
A) You need to build up the clay so it is furthest from the base.
My deepest apologies if this is wrong!!
Have a nice day/night!
I am pretty sure at 10 am. Sorry If wrong.