Which sentences below demonstrate correct use of commas in a series?

Which of the following best describes the central idea of the article? a the tuskegee airmen started the civil rights movement by proving that black pilots are more skilled than white pilots. b the tuskegee airmen proved that black and white pilots had the same potential, which break racial barriers. c despite breaking racial barriers, the tuskegee airmen faced racial discrimination and were never recognized for their military success. d black pilots in the military had to work twice as hard as white pilots, and due to a lack of funds they were underprepared.

Which situation might occur in a conflict of character versus nature? a. a society disapproves of a character's behavior. b. a character suffers from a serious illness and eventually dies. c. two characters argue over a difference of opinion. d. a character is unable to decide on his opinion of another character.

Read this passage from geoffrey lean’s “one poor harvest away from chaos”: on wednesday, the food and agriculture organisation (fao) reported that global food prices has hit a record high and were likely to go on rising. . that is bad enough for britain, adding to the inflationary pressures from the soaring cost of oil and other commodities, not to mention the vat increase. but for the world’s poor, who have to spend 80 percent of their income on food, it could be catastrophic. why is the passage an example of deductive reasoning? a. the author is appealing to the feelings and emotions of the audience b. the author starts with specifics, using them to probe a general point. c. the author is starting with a general topic and moving to more specific information d. the author is showing that he biased against poor people