... that beginswith a class called–PRACTICE TEST 3– 14 2 27. The Beaufort Wind Scale, invented in 18 06 byAdmiral Francis Beaufort, uses the numbers0 12 to describe air movement; one is a lightbreeze, ... the stock market crash of 19 29 was known asBlack Friday, the 19 87 crash saw the largest one-day percentage drop in value in history.a. As the stock market crash of 19 29 was knownas Black Friday,b. ... market crash of 19 29 was known asBlack Friday,c. The stock market crash of 19 29 lost almosthalf of the market’s value in less than twomonths, whereasd. In the stock market crash of 19 29, almost...