What Persian architectural feature is a large vaulted chamber with a pointed-arch opening, first used as an entrance to royal reception halls in Persian palaces, and later adapted to mosque designs?

As a child this composer’s pleasing voice brought him to the attention of local church officials; he was sent to Vienna

where he was a choirboy at the cathedral of St. Stephen for 10 years until his voice broke.

a. Beethoven b. Haydn c. Mozart

In his pursuit of beautifying the city of Bayblon, Nebuchadnezzar II built the ____ as one of the main entrances to the city

a. White Temple b. Ziggurat at Ur c. Palace of Darius d. Ishtar Gate