D) According to the passage, what could scientists learn about from
studying yawns?
D ways to listen to boring stories
D secrets to becoming a hero
Dreasons why we get sleepy
cures for serious illnesses

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.

Tia and lin had been best friends since kindergarten. both avid soccer players, the girls decided to try out for the high school team together. unfortunately, there was just one open spot, so only one of the girls would be chosen. they both worked hard, and on tryout day, they did their best. when the team roster came out, lin was excited to see that she had made the team but sad that tia had not. tia was happy for her friend and vowed to work harder so she would make the team the next year. which sentence is the exposition of the passage

4. how does the speaker's comparison of sinners to aninsect (paragraph 7) contribute to the central idea of thetext? o a it emphasizes the negative view god has ofsinners and how inconsequential they are to him.o b it stresses the connection that exists between allof god's creatures, whether they be human orinsect.o c it suggests that sinners can change for the better,as insects are known to go throughtransformations.o d it portrays sinners as being just as prevalentaround the earth as the wide variety of insects.