Why did the ring around the mold in the petri dish surprise and interest dr. alexander fleming? a. the ring had many tiny arms. b. the ring spun and twisted on its own. c. the ring was free of bacteria. d. the ring was filled with spores.

What is the best way to manage oil transport on waterways? a. prevent oil spills and regulate the amount of oil that can be shipped at one time.b. use a skimmer, containment boom or chemical dispersant to clean up spilled oil.c. burn off oil spills from the water's surface when they occur.

Match the bolded words in the excerpts to their contextual meanings. unoriginal well-groomed numerous he was a gentleman from sole to crown, clean favored and imperially slim. (from "richard cory" by edwin arlington robinson) this debt we pay to human guile; with torn and bleeding hearts we smile, and mouth with myriad subtleties. (from "we wear the mask" by paul lawrence dunbar) . .if it must, these things are important not because a high-sounding interpretation can be put upon them but because they are useful. when they become so derivative as to become unintelligible, the same thing may be said for all of us, that we do not admire what we cannot understand. . (from "poetry" by marianne moore)

Which event triggers the main problem in the folktale? a a handsome prince is cursed by his stepmother b the horse provides beauty with a magical mirror c the merchant picks roses for beauty d a group of bandits attack the merchant