Answer:
Andrea del Verrocchio, Boudin, Leonardo da Vinci, Perugino, Ghirlandaio and Sandro Botticelliare
Explanation:
The concept of a readymade are manufactured objects. The artist used this to reposition and tilt the object and this became art. They lastly signed it.
Answer:
This is false.
Explanation:
These stones are actually called keystones found at the apex of an arch.