Lake Assal, about 500 feet below sea level, is the lowest point on which continent?

In old American slang, 50 cents is how many "bits"? Thanks to a Disney TV hero, what fuzzy piece of frontier headwear became a craze among American kids in the mid-1950s? Carey Kefauver, the Tennessee senator famous for his 1950s hearings on organized crime, was better known by which middl… Which 1950s TV puppet was the subject of a 1999 custody battle between the Detroit Institute of Arts and its owner's he… Which rock band's 1986 album was titled "5150"? Lake Eyre, about 50 feet below sea level, is the lowest point on which continent? Which San Francisco Giant hit 52 home runs in 1965? The release of 52 hostages from which country on January 20, 1981, made world headlines?