Luis is taking his girlfriend, Rosa, to a resort town neither one of them has visited. Luis wants to make a good impression on Rosa, so he spends the week before the trip reading about fun places to go while they are there. He also memorizes a map of the small resort town, so he can lead her around without bothering to ask for directions. When they arrive, they first visit a botanical garden. When Rosa says, "Where to next?" Luis conjures a mental image of the map and says, "art museum." Let's assume the garden was six inches due south on the map and that it took Luis four seconds to scan the map image between the two. After they visit the museum, Luis takes Rosa to a fancy restaurant. On the map, the restaurant was three inches northwest of the museum, so it is most likely that when Luis
scanned the image to find the restaurant, the scan took approximately ___________ seconds.
A. two
B. three
C. four
D. six
Answer: A
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Genes are composed of molecules of ____
a. ?deoxyribonucleic acid b. ?nitrous oxide c. ?sodium phosphate d. ?chromosome
Dr. Jacobs is planning to survey U.S. voters regarding their views on the healthcare plan promoted by the president. To provide the most accurate results, the people he surveys must include the same proportion of men, women, young, old, professionals, blue-collar workers, Republicans, Democrats, whites, African Americans, Native Americans, Latinos, Asians. Thus, Dr. Jacobs will use random
selection to obtain a(n) a. natural clinical trial. b. representative sample. c. equated population. d. biased sample.
Which of the following statements regarding divorce is not true?
a. Six-to-eight-year-old children seem to have the most difficulty adjusting to divorce. b. Older children have a poor understanding of divorce in the sense that they tend to view the divorce as their fault. c. Young adults with divorced parents are less likely to finish high school. d. Adults whose parents are divorced are more likely to suffer a divorce of their own.
_____ are the substances that determine whether an embryo develops male or female genitals, also called the _____ sex characteristics
a) Neurotransmitters; secondary b) Androgens; primary c) Genes; primary d) Steroids; secondary