Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: coyote bush Your choice? silvery gray Antarctic seal subsisting on crustaceans the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)   (Noun: cracking) widely spreading evergreen shrub of southwestern United States with flower heads in a leafy panicle the quality of being crafty