Who had a 2002 hit with "A Moment Like This"?

What term for a shy, modest person also suggests a shriveling purple flower? Which city names a moist, three-layer "Lord" or "Lady" cake? Which word names both a combination of chemical elements and an enclosure of buildings? Which actress, a mother in real life, plays Grendel's mother in the 2007 film "Beowulf"? Which monarch, who died in 1603, reputedly said "All my possessions for a moment of time"? What do you call a monarch with a title but no real authority? A monoglot is a person who knows only one of what? Which southwestern river gives its name to a venomous lizard called a "monster"?