useless trivia: What Word Means: To Sniff, Or Smell About?

Questions

1980s GrabBag: "Britain's only luxury car that can be had for $26,000" (make name)?

1980s GrabBag: Seaboard state home to a nation-leading 96 hazardous waste sites in 1987.?

1980s GrabBag: Crime family that lost its head when "Big Paul" Castellano got "whacked"?

Barbie: Type of house Barbie lives in?

Barbie: The first airline Barbie was a stewardess for?