<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 think the answer is B. Observing because normally when a child shares ideas verbally or through symbolic representation they often observe others.
Answer:
Some examples of such objects are cubes spheres basically everything and anything we observe with out eyes
Explanation: