The purpose of “What Are Faces For?” is to A
tell an interesting story about how faces work.

B
give an opinion that answers the title’s question.

C
teach some of the science behind creating expressions.

D
persuade readers to be more aware of other people’s emotions.

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Which piece of evidence would best support reason #1? othe history of using animals for research extends asfar back as 322 bce, when early greek physician-scientists, such as aristotle and erasistratus,performed various experiments on living animals.animal research played an essential role in thedevelopment of herceptin and tamoxifen, twomedications that have already saved the lives ofthousands of women who have been diagnosed withbreast cancer.even those who believe in testing on animals when it is hnecessary for vital medical research practice what isknown as "the 3 rs-reduction, refinement, andreplacement to reduce the number of animals usedfor testing.biologists believe that chimpanzees share at least 98.4percent of the same dna as humans and gorillas shareat least 97 percent, making primates a popular andlikely choice for the testing of products intended for humans

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He said it was because a private detective sees the dark side of human nature. but whatever the reason, gill landers had an innate suspicion of politicians. when senator randy brill walked into his office on that summer day in august, mopping his flushed features with a monogrammed handkerchief, gill could think of no good reason to change his attitude. he'd only met brill once. that had been two years ago at a country club reception for state political notables. since then, he'd learned all he wanted to know about the senator's sinister reputation. gill sat back in his chair, put his feet on his desk, and fought to keep a poker face. but there was no way he could stop the chill that coursed along his spine like a rush of ice water. 29. in this paragraph, the word notables probably signifies that the persons so described a. would like to be politicians. b. are wealthy people. c. have political influence. d. are contributors to charity.