You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: DECEMBER 1st 
Clue: 1959: 12 countries including the U.S. & the U.S.S.R. sign a treaty to keep this continent a scientific preserve
antarctica

Category: NEW WORDS & PHRASES 
Clue: There's a questioning sound to this collective term for people born in the 1980s & '90s
generation y

Category: NATURE 
Clue: Sausage trees, found in Africa, are pollinated by these flying mammals

bats