Answer:
I think it is C but im not sure.
Explanation:
Answer:
4 layers of material
Explanation:
A long time ago the typoe of construction that used tiles, such as moisacs required a lot of concentration and work. One of the most important things was to choose the wall, then cover the wall with resin and after that they had to put 3 layers of plaster all over the wall, finally they used to put pieces of colored glasses ( tiles) and the process was over.
strongest advocate was Robert M. La Follette, Sr., Wisconsin's governor (1901–1906) and senator (1906–1925).
