Pop Rock: Group composed of Agnetha, Bjorn, Benny, & Annifrid.?

Questions

what does lcd stand for?

who was credited with saving the kuwaiti water supply in 1964, after a freighter containing 6,000 sheep capsized and threatened to poison the water with rotting carcasses?

what is the main character's name in les miserables?

name of the character who sings 'castle on a cloud' in les miserables?

name of cosette's mother in les miserables?