Answer:
Barrel Vault
Explanation:
The other vaults look different and a barrel vault is the closest one that matches.
Green?? Sorry I don’t really get the question
Personification is giving human traits to nonhuman things or organism.
In this case, the feathers are personified as being able to "dance", when obviously it isn't exactly "dancing".
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Not sure who helped make painting on canvas a common practice but around the end of the 15th century, canvas<span> became more popular as it was cheaper, easier to transport, allowed larger works, and did not require complicated preliminary layers of </span>gesso.
