The Official Guide For GMAT Review 12th Edition GMAC (Graduate Management Admission Council) - Solutions

Elevate your GMAT preparation with our comprehensive solutions for "The Official Guide For GMAT Review 12th Edition" by GMAC. Access online answers key and detailed solutions pdf that transform complex problems into solved problems with ease. Our solution manual provides step-by-step answers, making it an invaluable instructor manual. Dive into questions and answers with our test bank and chapter solutions, all tailored to enhance your understanding. Whether you're seeking a textbook companion or a free download, our expertly crafted resources ensure you're well-equipped for success on your GMAT journey.

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on Earth.(A) has been dated to be 3.47 billion years old and thus
The company announced that its profits declined much less in the second quarter than analysts had expected it to and its business will improve in the second half of the year.(A) had expected it to and its business will improve(B) had expected and that its business would improve(C) expected it would
In no other historical sighting did Halley’s Comet cause such a worldwide sensation as did its return in 1910–1911.(A) did its return in 1910–1911(B) had its 1910–1911 return(C) in its return of 1910–1911(D) its return of 1910–1911 did(E) its return in 1910–1911
Joachim Raff and Giacomo Meyerbeer are examples of the kind of composer who receives popular acclaim while living, often goes into decline after death, and never regains popularity again.(A) often goes into decline after death, and never regains popularity again(B) whose reputation declines after
Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.(A) Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes(B) Whereas the tiny tubes for the
Spanning more than 50 years, Friedrich Müller began his career in an unpromising apprenticeship as a Sanskrit scholar and culminated in virtually every honor that European governments and learned societies could bestow.(A) Müller began his career in an unpromising apprenticeship as(B) Müller’s
Recently implemented “shift-work equations” based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries.(A) fatigue among shift workers, and have raised(B) fatigue among shift
Last week local shrimpers held a news conference to take some credit for the resurgence of the rare Kemp’s ridley turtle, saying that their compliance with laws requiring that turtle-excluder devices be on shrimp nets protect adult sea turtles.(A) requiring that turtle-excluder devices be on
Although the term “psychopath” is popularly applied to an especially brutal criminal, in psychology it is someone who is apparently incapable of feeling compassion or the pangs of conscience.(A) it is someone who is(B) it is a person(C) they are people who are(D) it refers to someone who is(E)
Over 75 percent of the energy produced in France derives from nuclear power, while in Germany it is just over 33 percent.(A) while in Germany it is just over 33 percent(B) compared to Germany, which uses just over 33 percent(C) whereas nuclear power accounts for just over 33 percent of the energy
One view of the economy contends that a large drop in oil prices should eventually lead to lowering interest rates, as well as lowering fears about inflation, a rally in stocks and bonds, and a weakening of the dollar.(A) lowering interest rates, as well as lowering fears about inflation,(B) a
Cajuns speak a dialect brought to southern Louisiana by the 4,000 Acadians who migrated there in 1755;their language is basically seventeenth-century French to which has been added English, Spanish, and Italian words.(A) to which has been added English, Spanish, and Italian words(B) added to which
Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving as a kind of snorkel.(A) that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving(B) that has suggested
Joan of Arc, a young Frenchwoman who claimed to be divinely inspired, turned the tide of English victories in her country by liberating the city of Orléans and she persuaded Charles VII of France to claim his throne.(A) she persuaded Charles VII of France to claim his throne(B) persuaded Charles
The use of lie detectors is based on the assumption that lying produces emotional reactions in an individual that, in turn, create unconscious physiological responses.(A) that, in turn, create unconscious physiological responses(B) that creates unconscious physiological responses in turn(C)
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.(A) double the apples that it has(B) twice as many apples as it did(C) as much as twice the apples it has(D) two times as many apples as there were(E) a doubling of
Found throughout Central and South America, sloths hang from trees by long rubbery limbs and sleep 15 hours a day, moving infrequently enough that two species of algae grow on its coat and between its toes.(A) sloths hang from trees by long rubbery limbs and sleep 15 hours a day, moving
She was less successful after she had emigrated to New York compared to her native Germany, photographer Lotte Jacobi nevertheless earned a small group of discerning admirers, and her photographs were eventually exhibited in prestigious galleries across the United States.(A) She was less successful
A wildlife expert predicts that the reintroduction of the caribou into northern Minnesota would fail if the density of the timber wolf population in that region is more numerous than one wolf for every 39 square miles.(A) would fail if the density of the timber wolf population in that region is
Sales of wines declined in the late 1980s, but they began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.(A) they began to grow again after the 1991 report that linked moderate consumption of
A firm that specializes in the analysis of handwriting claims from a one-page writing sample that it can assess more than 300 personality traits, including enthusiasm, imagination, and ambition.(A) from a one-page writing sample that it can assess(B) from a one-page writing sample it has the
New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth’s magnetic field, the onset of ice ages, splitting apart continents 80 million years ago, and great volcanic eruptions.(A) splitting apart continents(B) the splitting apart of
The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.(A) a phenomenon most scientists agree to be
George Sand (Aurore Lucile Dupin) was one of the first European writers to consider the rural poor to be legitimate subjects for literature and portray these with sympathy and respect in her novels.(A) to be legitimate subjects for literature and portray these(B) should be legitimate subjects for
Mauritius was a British colony for almost 200 years, excepting for the domains of administration and teaching, the English language was never really spoken on the island.(A) excepting for(B) except in(C) but except in(D) but excepting for(E) with the exception of
Gall’s hypothesis of there being different mental functions localized in different parts of the brain is widely accepted today.(A) of there being different mental functions localized in different parts of the brain is widely accepted today(B) of different mental functions that are localized in
The original building and loan associations were organized as limited life funds, whose members made monthly payments on their share subscriptions, then taking turns drawing on the funds for home mortgages.(A) subscriptions, then taking turns drawing(B) subscriptions, and then taking turns
Because there are provisions of the new maritime code that provide that even tiny islets can be the basis for claims to the fi sheries and oil fi elds of large sea areas, they have already stimulated international disputes over uninhabited islands.(A) Because there are provisions of the new
As a baby emerges from the darkness of the womb with a rudimentary sense of vision, it would be rated about 20/500, or legally blind if it were an adult with such vision.(A) As a baby emerges from the darkness of the womb with a rudimentary sense of vision, it would be rated about 20/500, or
Construction of the Roman Colosseum, which was offi cially known as the Flavian Amphitheater, began in A.D. 69, during the reign of Vespasian, was completed a decade later, during the reign of Titus, who opened the Colosseum with a one-hundred-day cycle of religious pageants, gladiatorial games,
Published in Harlem, the owner and editor of The Messenger were two young journalists, Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader.(A) Published in Harlem, the owner and editor of The Messenger were two young journalists, Chandler Owen and A. Philip
Among the objects found in the excavated temple were small terra-cotta effigies left by supplicants who were either asking the goddess Bona Dea’s aid in healing physical and mental ills or thanking her for such help.(A) in healing physical and mental ills or thanking her for such help(B) in
Authoritative parents are more likely than permissive parents to have children who as adolescents are selfconfi dent, high in self-esteem, and responsibly independent.(A) Authoritative parents are more likely than permissive parents to have children who as adolescents are self-confi dent, high in
Originally developed for detecting air pollutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeology, and criminology.(A) Originally developed for detecting air
Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation;instead, it is precisely the opposite, a tool for communicating with a large, public audience.(A) Marconi’s conception of the radio was as a substitute for the telephone, a tool for private
Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives, capitalized on her keen observation and love of the natural world.(A) Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives,(B) In her book illustrations, carefully
El Niño, the periodic abnormal warming of the sea surface off Peru, a phenomenon in which changes in the ocean and atmosphere combine allowing the warm water that has accumulated in the western Pacific to flow back to the east.(A) a phenomenon in which changes in the ocean and atmosphere combine
Yellow jackets number among the 900 or so species of the world’s social wasps, wasps living in a highly cooperative and organized society where they consist almost entirely of females—the queen and her sterile female workers.(A) wasps living in a highly cooperative and organized society where
As rainfall began to decrease in the Southwest about the middle of the twelfth century, most of the Monument Valley Anasazi abandoned their homes to join other clans whose access to water was less limited.(A) whose access to water was less limited(B) where there was access to water that was less
Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.(A) Heavy commitment by an executive to a course of action, especially if it has worked well in the past,
The stars, some of them at tremendous speeds, are in motion just as the planets are, yet being so far away from Earth that their apparent positions in the sky do not change enough for their movement to be observed during a single human lifetime.(A) The stars, some of them at tremendous speeds, are
Ranked as one of the most important of Europe’s young playwrights, Franz Xaver Kroetz has written 40 plays; his works—translated into more than 30 languages—are produced more often than any contemporary German dramatist.(A) than any(B) than any other(C) than are any(D) than those of any
Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were fi rst discovered in 1932.(A) Even though Clovis points, spear points with longitudinal grooves chipped onto
Unlike Schoenberg’s 12-tone system that dominated the music of the postwar period, Bartók founded no school and left behind only a handful of disciples.(A) Schoenberg’s 12-tone system that dominated(B) Schoenberg and his 12-tone system which dominated(C) Schoenberg, whose 12-tone system
One of the primary distinctions between our intelligence with that of other primates may lay not so much in any specifi c skill but in our ability to extend knowledge gained in one context to new and different ones.(A) between our intelligence with that of other primates may lay not so much in any
The peaks of a mountain range, acting like rocks in a streambed, produce ripples in the air flowing over them; the resulting flow pattern, with crests and troughs that remain stationary although the air that forms them is moving rapidly, are known as“standing waves.”(A) crests and troughs that
The recent surge in the number of airplane flights has clogged the nation’s air-traffic control system, to lead to 55 percent more delays at airports, and prompts fears among some officials that safety is being compromised.(A) to lead to 55 percent more delays at airports, and prompts(B) leading
Heating-oil prices are expected to be higher this year than last because refi ners are paying about $5 a barrel more for crude oil than they were last year.(A) Heating-oil prices are expected to be higher this year than last because refi ners are paying about$5 a barrel more for crude oil than they
The energy source on Voyager 2 is not a nuclear reactor, in which atoms are actively broken apart;rather a kind of nuclear battery that uses natural radioactive decay to produce power.(A) apart; rather(B) apart, but rather(C) apart, but rather that of(D) apart, but that of(E) apart; it is that of
Nobody knows exactly how many languages there are in the world, partly because of the diffi culty of distinguishing between a language and the sublanguages or dialects within it, but those who have tried to count typically have found about fi ve thousand.(A) and the sublanguages or dialects within
Although early soap operas were first aired on evening radio in the 1920s, they had moved to the daytime hours of the 1930s when the evening schedule became crowded with comedians and variety shows.(A) were first aired on evening radio in the 1920s, they had moved to the daytime hours of the
Dirt roads may evoke the bucolic simplicity of another century, but financially strained townships point out that dirt roads cost twice as much as maintaining paved roads.(A) dirt roads cost twice as much as maintaining paved roads(B) dirt roads cost twice as much to maintain as paved roads do(C)
Thelonious Monk, who was a jazz pianist and composer, produced a body of work both rooted in the stride-piano tradition of Willie (The Lion) Smith and Duke Ellington, yet in many ways he stood apart from the mainstream jazz repertory.(A) Thelonious Monk, who was a jazz pianist and composer,
In an effort to reduce their inventories, Italian vintners have cut prices; their wines have been priced to sell, and they are.(A) have been priced to sell, and they are(B) are priced to sell, and they have(C) are priced to sell, and they do(D) are being priced to sell, and have(E) had been priced
The results of the company’s cost-cutting measures are evident in its profi ts, which increased 5 percent during the fi rst 3 months of this year after it fell over the last two years.(A) which increased 5 percent during the fi rst 3 months of this year after it fell(B) which had increased 5
Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile Delta and the river valleys of the Tigris and Euphrates.(A) that flourished at the same time as the
Often visible as smog, ozone is formed in the atmosphere from hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.(A) ozone is formed in the atmosphere from(B) ozone is formed in the atmosphere when(C) ozone is formed in the atmosphere, and when(D)
In 2000, a mere two dozen products accounted for half the increase in spending on prescription drugs, a phenomenon that is explained not just because of more expensive drugs but by the fact that doctors are writing many more prescriptions for higher-cost drugs.(A) a phenomenon that is explained not
According to a recent poll, owning and living in a freestanding house on its own land is still a goal of a majority of young adults, like that of earlier generations.(A) like that of earlier generations(B) as that for earlier generations(C) just as earlier generations did(D) as have earlier
Recently physicians have determined that stomach ulcers are not caused by stress, alcohol, or rich foods, but a bacterium that dwells in the mucous lining of the stomach.(A) not caused by stress, alcohol, or rich foods, but(B) not caused by stress, alcohol, or rich foods, but are by(C) caused not
A report by the American Academy for the Advancement of Science has concluded that much of the currently uncontrolled dioxins to which North Americans are exposed comes from the incineration of wastes.(A) much of the currently uncontrolled dioxins to which North Americans are exposed comes(B) much
Defense attorneys have occasionally argued that their clients’ misconduct stemmed from a reaction to something ingested, but in attributing criminal or delinquent behavior to some food allergy, the perpetrators are in effect told that they are not responsible for their actions.(A) in attributing
Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles Islands.(A) sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of(B) sloth, that they found
The only way for growers to salvage frozen citrus is to process them quickly into juice concentrate before they rot when warmer weather returns.(A) to process them quickly into juice concentrate before they rot when warmer weather returns(B) if they are quickly processed into juice concentrate
Retailers reported moderate gains in their November sales, as much because of their sales of a year earlier being so bad as that shoppers were getting a head start on buying their holiday gifts.(A) of their sales of a year earlier being so bad as that(B) of their sales a year earlier having been as
A proposal has been made to trim the horns from rhinoceroses to discourage poachers; the question is whether tourists will continue to visit game parks and see rhinoceroses after their horns are trimmed.(A) whether tourists will continue to visit game parks and see rhinoceroses after their horns
A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.(A) reduced the amount of phosphates that municipalities had been allowed to dump(B) reduced the phosphate amount that municipalities had been
Combining enormous physical strength with higher intelligence, the Neanderthals appear as equipped for facing any obstacle the environment could put in their path, but their relatively sudden disappearance during the Paleolithic era indicates that an inability to adapt to some environmental change
More and more in recent years, cities are stressing the arts as a means to greater economic development and investing millions of dollars in cultural activities, despite strained municipal budgets and fading federal support.(A) to greater economic development and investing(B) to greater development
Unlike the original National Museum of Science and Technology in Italy, where the models are encased in glass or operated only by staff members, the Virtual Leonardo Project, an online version of the museum, encourages visitors to “touch” each exhibit, which thereby activates the animated
His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.(A) in which great ice sheets had existed in now currently
Once they had seen the report from the medical examiner, the investigators did not doubt whether the body recovered from the river was the man who had attempted to escape from the state prison.(A) did not doubt whether the body recovered from the river was(B) have no doubt whether the body
The fi rst trenches that were cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence for centrally administered complex societies in northern regions of the Middle East that were arising simultaneously with but independently of the more celebrated city-states of southern
Affording strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it, their grip on Algeria was always insecure.(A) if they did not hold it, their grip on Algeria was
The 32 species that make up the dolphin family are closely related to whales and in fact include the animal known as the killer whale, which can grow to be 30 feet long and is famous for its aggressive hunting pods.(A) include the animal known as the killer whale, which can grow to be 30 feet long
In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.(A) act as a
Doctors generally agree that such factors as cigarette smoking, eating rich foods high in fats, and alcohol consumption not only do damage by themselves but also aggravate genetic predispositions toward certain diseases.(A) not only do damage by themselves but also aggravate(B) do damage by
The yield of natural gas from Norway’s Troll gas fi eld is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for 50 years’production.(A) 2005 and then to stabilize at six billion cubic feet
When Congress reconvenes, some newly elected members from rural states will try and establish tighter restrictions for the amount of grain farmers are to be allowed to grow and to encourage more aggressive sales of United States farm products overseas.(A) and establish tighter restrictions for the
Rivaling the pyramids of Egypt or even the ancient cities of the Maya as an achievement, the army of terra-cotta warriors created to protect Qin Shi Huang, China’s fi rst emperor, in his afterlife is more than 2,000 years old and took 700,000 artisans more than 36 years to complete.(A) the army
While all states face similar industrial waste problems, the predominating industries and the regulatory environment of the states obviously determines the types and amounts of waste produced, as well as the cost of disposal.(A) all states face similar industrial waste problems, the predominating
The Olympic Games helped to keep peace among the pugnacious states of the Greek world in that a sacred truce was proclaimed during the festival’s month.(A) world in that a sacred truce was proclaimed during the festival’s month(B) world, proclaiming a sacred truce during the festival’s
A leading fi gure in the Scottish Enlightenment, Adam Smith’s two major books are to democratic capitalism what Marx’s Das Kapital is to socialism.(A) Adam Smith’s two major books are to democratic capitalism what(B) Adam Smith’s two major books are to democratic capitalism like(C) Adam
That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault: Alvin Toffler, one of the most prominent students of the future, did not even mention microcomputers in Future Shock, published in 1970.(A) That educators have not anticipated the
Many of the earliest known images of Hindu deities in India date from the time of the Kushan Empire, fashioned either from the spotted sandstone of Mathura or Gandharan grey schist.(A) Empire, fashioned either from the spotted sandstone of Mathura or(B) Empire, fashioned from either the spotted
Many house builders offer rent-to-buy programs that enable a family with insufficient savings for a conventional down payment to be able to move into new housing and to apply part of the rent to a purchase later.(A) programs that enable a family with insufficient savings for a conventional down
The report recommended that the hospital should eliminate unneeded beds, expensive services should be consolidated, and use space in other hospitals.(A) should eliminate unneeded beds, expensive services should be consolidated, and use space in other hospitals(B) should eliminate unneeded beds,
The nineteenth-century chemist Humphry Davy presented the results of his early experiments in his “Essay on Heat and Light,” a critique of all chemistry since Robert Boyle as well as a vision of a new chemistry that Davy hoped to found.(A) a critique of all chemistry since Robert Boyle as well
To Josephine Baker, Paris was her home long before it was fashionable to be an expatriate, and she remained in France during the Second World War as a performer and an intelligence agent for the Resistance.(A) To Josephine Baker, Paris was her home long before it was fashionable to be an
A new study suggests that the conversational pace of everyday life may be so brisk it hampers the ability of some children for distinguishing discrete sounds and words and, the result is, to make sense of speech.(A) it hampers the ability of some children for distinguishing discrete sounds and
According to some analysts, the gains in the stock market reflect growing confidence that the economy will avoid the recession that many had feared earlier in the year and instead come in for a “soft landing,”followed by a gradual increase in business activity.(A) that the economy will avoid
The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced from a day and a half to 93 minutes the required time of assembling a Model T.(A) from a day and a half to 93 minutes the required time of assembling a Model T(B) the
In 1713, Alexander Pope began his translation of the Iliad, a work that, taking him seven years until completion, and that literary critic Samuel Johnson, Pope’s contemporary, pronounced the greatest translation in any language.(A) his translation of the Iliad, a work that, taking him seven years
Five fledgling sea eagles left their nests in western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975.(A) bringing(B) and brings(C) and it brings(D) and it brought(E) and brought
In ancient Thailand, much of the local artisans’ creative energy was expended for the creation of Buddha images and when they constructed and decorated the temples that enshrined them.(A) much of the local artisans’ creative energy was expended for the creation of Buddha images and when they
Quasars, at billions of light-years from Earth the most distant observable objects in the universe, believed to be the cores of galaxies in an early stage of development.(A) believed to be(B) are believed to be(C) some believe them to be(D) some believe they are(E) it is believed that they are
The plot of The Bostonians centers on the rivalry between Olive Chancellor, an active feminist, with her charming and cynical cousin, Basil Ransom, when they find themselves drawn to the same radiant young woman whose talent for public speaking has won her an ardent following.(A) rivalry between
Laos has a land area about the same as Great Britain but only four million in population, where many are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.(A) about the same as Great Britain but only four million in population, where many(B) of about the
Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.(A) have to know a great deal more than now about the social and economic(B) have to know a great deal more than they do now about the social

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The Official Guide For GMAT Review 12th Edition GMAC (Graduate Management Admission Council) - Solutions

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