Topic Development

The following is an excerpt from an essay about an ancient artifact.

In 1900, sponge divers seeking shelter from a storm off the Greek island of Antikythera stumbled upon a Roman-era shipwreck. Among the statues and coins recovered was a corroded, lumpish fragment of bronze. For decades, it sat largely ignored in a museum. However, subsequent X-ray imaging in the late twentieth century revealed a complex system of interlocking gears. This device, dating back to the second century BCE, is now recognized as the world's oldest known analog computer, capable of predicting astronomical positions and eclipses with baffling accuracy.

[1] __________________________________________________ The device's sophisticated design, which predates similar European mechanical clocks by over a millennium, suggests that ancient Greek technology was far more advanced than historians had previously assumed. By tracking the cycles of the Sun and Moon, the mechanism not only served practical calendrical purposes but also reflected a deep philosophical commitment to mapping the cosmos.

Which choice, if added at placeholder [1], most effectively introduces the second paragraph while aligning with the passage's focus on the device's historical and technological significance?

In the late nineteenth century, the bicycle underwent a dramatic transformation. Prior to this era, the "ordinary bicycle"—often called the penny-farthing—dominated the roads. With its massive front wheel and tiny rear wheel, it was notoriously difficult to mount and highly dangerous to ride. A sudden stop could send the rider flying over the handlebars, a mishap colorfully known as "taking a header." Consequently, cycling remained the exclusive domain of athletic, adventurous young men.

This barrier fell with the introduction of the "safety bicycle" in the 1880s. Featuring two wheels of equal size, a steerable front wheel, and a chain-driven rear wheel, this new design was stable and accessible to the general public. Pneumatic rubber tires, invented shortly thereafter, replaced solid rubber ones, offering a far smoother ride over the unpaved streets of the time. Almost overnight, cycling transformed from a hazardous stunt into a popular form of recreation and daily transportation.

The social impact of the safety bicycle was profound, particularly for women. Standard Victorian attire, with its heavy layers, tight corsets, and floor-length skirts, made riding virtually impossible. To accommodate the bicycle, women began adopting "rational dress," which included bloomers—loose-fitting trousers gathered at the ankle—and shorter skirts. This shift in fashion symbolized a broader movement toward physical freedom and social independence.

Suffragist leaders quickly recognized the political power of this invention. Susan B. Anthony famously remarked in 1896 that the bicycle had "done more to emancipate women than anything else in the world." By granting women independent mobility, the bicycle helped dismantle the restrictive notion that women's lives should be confined solely to the domestic sphere.

Based on the passage above, is the following statement true or false?
"Suppose the writer’s goal was to write an essay that explains how the transition from the ordinary bicycle to the safety bicycle influenced women’s fashion and social independence in the late nineteenth century. The essay successfully achieves this goal."

The following sentences, when ordered logically, form a paragraph discussing the development of the Cherokee writing system. Arrange the sentences to ensure that the central claim is logically introduced and immediately supported by appropriate evidence and specific details.

The following sentences, when ordered logically, form a paragraph about desert plant adaptations. Arrange the sentences so that the general claim about water conservation is logically followed by specific supporting evidence and details.

Suppose the writer's goal had been to write an essay that highlights the construction timeline and key structural features of the Empire State Building. Based on the provided essay, is the statement that the essay successfully fulfills this goal true or false?

[1] The Empire State Building, completed in 1931, stands as a monument to early twentieth-century engineering. Rising 1,250 feet above the streets of Midtown Manhattan, it was constructed in just thirteen months during the Great Depression. The building’s framework consists of a massive steel grid designed to withstand high winds and support the limestone cladding that covers its exterior.

[2] At the core of this engineering marvel was the innovative use of hot-riveted steel columns. Workers, known as "sky boys," balanced on narrow beams hundreds of feet in the air to assemble the frame. They heated steel rivets in small furnaces until red-hot, tossed them across open gaps to catchers, and hammered them into place to secure the joints. This dangerous and fast-paced labor allowed the steel skeleton to rise at an astonishing rate of four and a half stories per week.

[3] While newer skyscrapers utilize concrete cores and composite materials, the Empire State Building remains a symbol of the steel-frame era. Today, it continues to serve as an active office building and a world-famous tourist attraction, demonstrating the enduring strength and utility of its original structural design.

The following sentences are from a draft of an essay about the Venus flytrap. To ensure that the paragraph's claim is logically supported by evidence in a step-by-step manner, what is the most logical order for these sentences?

Passage:

[1] In 1925, at the age of fifty-five, Ynes Mexia embarked on her first botanical expedition to Mexico, beginning a career in which she would collect nearly 150,000 plant specimens. [2] Throughout her travels, she faced numerous hazards, including narrow paths, earthquakes, and wild animals. [3] Despite these challenges, Mexia was incredibly successful at discovering new plant species. [4] Her dedication to botany was evident in the way she meticulously prepared and documented her findings for research institutions.

The writer wants to revise Sentence 3 (reproduced below) to provide the most specific and concrete evidence of Mexia's success in discovering new plant species.

*Despite these challenges, Mexia was incredibly successful at discovering new plant species.*

Which choice best accomplishes this goal?

Passage

[1] Bioluminescent mushrooms, such as the *Panellus stipticus*, glow in the dark to attract nocturnal insects that disperse their spores. [2] This chemical reaction occurs when a substance called luciferin reacts with oxygen, catalyzed by the enzyme luciferase. [3] Under a dark forest canopy, these fungi emit a visible light. [4] The glow is bright enough that early travelers used them to mark trails.

Question
The writer wants to revise Sentence 3 to provide the most specific, concrete visual detail that illustrates the appearance of the mushroom's glow. Which of the following choices best accomplishes this goal?

Passage

[1] In the early twentieth century, agricultural chemist George Washington Carver revolutionized Southern farming methods by promoting the cultivation of peanuts. [2] He argued that planting peanuts would restore nitrogen to soil depleted by decades of continuous cotton cultivation. [3] To convince skeptical farmers to adopt this new crop, Carver developed and publicized a wide variety of practical applications for the peanut. [4] His efforts successfully transformed the agricultural economy of the South.

Given that all the choices are true, which one provides the most specific and concrete examples of the peanut-based applications Carver developed?

An Accidental Invention

[1]
In 1945, self-taught engineer Percy Spencer was working at Raytheon, a company that manufactured magnetrons for radar systems. One day, while standing near an active radar transmitter, Spencer noticed something unusual in his pocket: a chocolate bar he was carrying had completely melted. Intrigued, he decided to investigate further by placing other food items, including popcorn kernels, near the machine. To his delight, they quickly popped.

[2]
Spencer realized that the microwave radiation from the magnetron could cook food much faster than traditional ovens, which relied on external heat. Raytheon patented the technology, and in 1947, the company introduced the first commercial microwave oven. This early model was massive, weighing nearly 750 pounds and standing almost six feet tall, making it impractical for home kitchens.

[3]
Over the next few decades, engineers worked to shrink the technology and reduce its cost. By the late 1960s, affordable countertop models became available, permanently transforming how people around the world prepare meals. Today, the microwave is a staple of modern convenience, all thanks to a melted chocolate bar.

Suppose the writer's goal had been to write an essay that describes the accidental discovery of the microwave oven and its evolution into a common household appliance. The essay successfully achieves this goal.

The following passage is about Mary Anderson's invention of the windshield wiper.

[1]
During a winter trip to New York City in 1903, Mary Anderson noticed that streetcar drivers had to open their front windows or step outside to wipe sleet and snow off the windshields. This practice not only chilled the passengers but also slowed down transit times. Anderson began sketching a solution: a manual lever inside the vehicle that controlled a rubber blade on the outside of the window.

[2]
Upon returning to her home in Alabama, Anderson hired a designer to create a working model of her invention. She successfully patented her "window cleaning device" later that year. Although early car manufacturers did not immediately see the value of her invention, by the 1920s, windshield wipers had become standard equipment on most automobiles.

[3]
Today, Anderson is recognized as a pioneer of automotive safety. Her simple, mechanical invention solved a major transportation hazard and paved the way for modern driving convenience.

Suppose the writer's goal had been to write an essay that describes how Mary Anderson came up with and developed the idea for the windshield wiper. Would this essay successfully fulfill that goal?

The following five sentences are taken from a draft of an essay about cosmological discoveries. To construct a paragraph that logically develops the claim that the discovery of the Cosmic Microwave Background (CMB) radiation supported the Big Bang theory by systematically eliminating alternative explanations and aligning empirical data with theoretical predictions, in what order should the sentences be arranged?

[1] In the late nineteenth century, Marianne North defied Victorian conventions by traveling alone to document the world's flora through her vibrant oil paintings. [2] Unlike contemporary botanists who relied on dried, pressed specimens, North insisted on painting plants in their natural environments. [3] Her vast body of work, which includes over 800 paintings, was not only artistically remarkable but also scientifically invaluable. [4] Indeed, she captured details of plant physiology that were lost in dried museum specimens, such as ________.

The writer wants to revise the underlined portion of sentence 4 to provide the most specific, concrete visual details that illustrate the plant physiology details captured by North. Given that all the choices are true, which one best accomplishes this goal?

The following passage is about the ecological effects of reintroducing wolves to Yellowstone National Park.

Restoring the Balance

[1]
In 1995, conservationists reintroduced gray wolves to Yellowstone National Park, ending a seventy-year absence of the apex predator. During the wolves’ absence, the park's elk population had soared, leading to severe overgrazing of young willow, aspen, and cottonwood trees along valley bottoms. Lacking competition and predators, the elk had stripped the riverbanks bare, causing significant erosion and altering the local ecosystem.

[2]
The return of the wolves quickly initiated a phenomenon known as a trophic cascade. As wolves hunted the elk, the herbivores' behavior shifted; they began avoiding low-lying areas where they could be easily cornered. Consequently, the vegetation along the riverbanks began to recover. Willows and aspens grew taller, providing shade that cooled the water, which in turn benefited native trout species.

[3]
With the regrowth of trees, songbirds returned to the valleys, and beavers found the materials they needed to build dams. Beaver ponds created wetlands that supported insects, amphibians, and waterfowl. By modifying the behavior of a single herbivore, the wolves indirectly reshaped the physical geography and biological diversity of the entire park, proving that predators are essential to maintaining healthy ecosystems.

Suppose the writer’s goal had been to write an essay that explains how the reintroduction of a predator can restore biodiversity and physically alter an ecosystem's landscape. Would this essay accomplish that goal?

The following sentences, when ordered logically, form a cohesive paragraph discussing the ancient Maya water management system in Tikal. What is the most logical sequence of these sentences to support the claim with clear functional evidence?

The following passage is about the origin of the chocolate chip cookie.

[1] In 1938, Ruth Wakefield, co-owner of the Toll House Inn in Massachusetts, made a culinary decision that changed baking history. While preparing a batch of chocolate cookies, she realized she was out of baker's chocolate. Improvising, she chopped up a bar of semi-sweet chocolate, expecting it to melt entirely into the dough during baking.

[2] To her surprise, the chocolate bits did not melt completely; instead, they softened into distinct, gooey pockets of chocolate within the cookie. The guests at the inn praised the new creation, which she named the Toll House Chocolate Crunch Cookie. Its popularity grew rapidly, prompting a partnership with Nestlé to print her recipe on their packaging.

[3] Today, the chocolate chip cookie remains one of the most popular desserts in the United States. Wakefield’s invention demonstrates how an unexpected change in a recipe can lead to a beloved culinary tradition.

Suppose the writer's goal had been to write an essay focusing on the historical origin and accidental creation of the chocolate chip cookie. Does this essay successfully fulfill that goal?

Passage:
[1] In the mid-twentieth century, Mayan hieroglyphs were widely believed by scholars to represent only abstract calendar dates and astronomical observations. [2] Tatiana Proskouriakoff revolutionized Mayanist studies by analyzing patterns in the stone monuments, or stelae, at the ancient city of Piedras Negras. [3] She noticed that the dates inscribed on consecutive monuments matched the typical spans of human lifetimes, suggesting the carvings depicted the births, accessions, and deaths of individual rulers. [4] _She argued that these monuments served as records of political events._

The writer wants to revise the underlined portion of sentence [4] to provide the most specific, concrete visual details to support the claim that the carvings depicted the biographical events of rulers' lives. Which choice best accomplishes this goal?

The following sentences are from a draft of a paragraph about the farming behaviors of leafcutter ants. In what order should these sentences be arranged so that the paragraph's central claim is supported by a logical sequence of evidence and details?

The Sticky Note Solution

[1]
In 1968, a chemist named Spencer Silver was working at the 3M company, trying to develop a super-strong adhesive for the aerospace industry. Instead, he accidentally created something quite different: a weak adhesive that stuck lightly to surfaces, could be peeled off easily, and left no residue behind. For several years, Silver promoted his unusual adhesive within the company, but no one could think of a practical use for it.

[2]
The breakthrough came in 1974, when another 3M scientist, Art Fry, attended a seminar where Silver was explaining his adhesive. Fry sang in his church choir and was frustrated that the scraps of paper he used as bookmarks kept falling out of his hymnal. He remembered Silver’s adhesive and realized it would be perfect for making sticky bookmarks that could hold their place without damaging the pages of the hymnal.

[3]
Fry and Silver worked together to develop the product, and 3M eventually launched it in 1980 under the name "Post-it Notes." The yellow square notes quickly became an indispensable office staple worldwide, proving that a failed scientific experiment could lead to a highly successful commercial product.

Suppose the writer's goal had been to write an essay detailing the step-by-step invention and commercial release of the Post-it Note. Would this essay accomplish that goal?

The following passage is about the history of musical pitch standardization.

For centuries, musicians tuned their instruments to varying reference pitches. A performer traveling from Paris to London in the eighteenth century would find that what was considered "middle A" in one city might sound nearly a semitone higher or lower in another. This lack of standardization posed significant challenges, particularly as orchestras grew larger and instrument manufacturing became more globalized.

In $1939$, an international conference in London officially recommended that the note $A$ above middle $C$ be tuned to $440 \text{ Hz}$. This frequency, known as $A440$, was chosen as a compromise. It balanced the desires of singers, who preferred lower pitches to avoid vocal strain, with those of string players and instrument makers, who favored higher pitches for a brighter, more brilliant sound.

Today, $A440$ remains the standard reference pitch for tuning in most Western classical and popular music. Although some modern orchestras tune slightly higher—often to $442 \text{ Hz}$ or $443 \text{ Hz}$ to achieve a more piercing tone—the establishment of $A440$ was a milestone that facilitated global musical collaboration and standardized instrument production.

Suppose the writer's goal had been to write an essay that explains why a standardized musical pitch was established and how it was decided. Would this essay successfully fulfill that goal?