Answer:
A corbel arch is an arch carries the thrust of weight to its sides. It uses a post-and-lintel, in which the lintel supports all the weight above it. A corbel arch is unique because it is the oldest form of arch known in architecture.
Explanation:
Logical reasoning or the process of debate
It is because flash mobs is a group of people dancing to music and music is art.
Tetravalent
We have already seen an example of how a covalent bond can form between two hydrogen atoms producing molecular (H2) as opposed to the atomic form of hydrogen. ... As in all its compounds and its elemental forms, carbon is tetravalent, which means that it always forms four bonds.