Art is used as a form of expression. Greek artists included the ideas of reason, moderation, balance, and harmony, because it was what they believed in. The Greeks often glorified the idea of being useful, peaceful, and living in simplicity, which would explain why their art work was influenced by it.
I believe the correct answer to this is:
groin vaults are constructed by placing barrel vaults at right angles to cover a sqaure space known as a bay.
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Twentieth-century composers often changed time signatures within a single movement resulting in mixed meter.
His passion about the music might increase the job prospects as well as his communication with others, how well he is known, or good reviews.
