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Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one time repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of mutual gravitational attraction.
  • a)
    repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of
  • b)
    repeated impacts on the surface broke it apart, after which the fragments having rejoined with
  • c)
    through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined by
  • d)
    the surface broke apart with repeated impacts, after which the fragments having rejoined through
  • e)
    the surface broke apart as a result of repeated impacts, after which the fragments rejoined through
Correct answer is option 'E'. Can you explain this answer?
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Most Upvoted Answer
Because Miranda, the smallest moon of Uranus, has a large number of di...
(E) the surface broke apart as a result of repeated impacts, after which the fragments rejoined through.
This option presents a grammatically correct and clear expression of the intended meaning. It effectively conveys the sequence of events and causal relationship between the repeated impacts, the breaking apart of the surface, and the subsequent rejoining of the fragments.
The phrase "the surface broke apart as a result of repeated impacts" accurately explains the cause of the surface breaking apart. The phrase "after which the fragments rejoined through" effectively indicates the subsequent rejoining of the fragments and the mechanism through which it occurred.
So, the corrected sentence would be:
"Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that the surface broke apart as a result of repeated impacts, after which the fragments rejoined through mutual gravitational attraction."
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One of the foundations of scientific research is that an experimental result is credible only if it can be replicated—only if performing the experiment a second time leads to the same result. But physicists John Sommerer and Edward Ott have conceived of a physical system in which even the least change in the starting conditions—no matter how small, inadvertent, or undetectable—can alter results radically. The system is represented by a computer model of a mathematical equation describing the motion of a particle placed in a particular type of force field.Sommerer and Ott based their system on an analogy with the phenomena known as riddled basins of attraction. If two bodies of water bound a large landmass and water is spilled somewhere on the land, the water will eventually make its way to one or the other body of water, its destination depending on such factors as where the water is spilled and the geographic features that shape the water’s path and velocity. The basin of attraction for a body of water is the area of land that, whenever water is spilled on it, always directs the spilled water to that body.In some geographical formations it is sometimes impossible to predict, not only the exact destination of the spilled water, but even which body of water it will end up in. This is because the boundary between one basin of attraction and another is riddled with fractal properties; in other words, the boundary is permeated by an extraordinarily high number of physical irregularities such as notches or zigzags. Along such a boundary, the only way to determine where spilled water will flow at any given point is actually to spill it and observe its motion; spilling the water at any immediately adjacent point could give the water an entirely different path, velocity, or destination.In the system posited by the two physicists, this boundary expands to include the whole system: i.e., the entire force field is riddled with fractal properties, and it is impossible to predict even the general destination of the particle given its starting point. Sommerer and Ott make a distinction between this type of uncertainty and that known as “chaos”; under chaos, a particle’s general destination would be predictable but its path and exact destination would not.There are presumably other such systems because the equation the physicists used to construct the computer model was literally the first one they attempted, and the likelihood that they chose the only equation that would lead to an unstable system is small. If other such systems do exist, metaphorical examples of riddled basins of attraction may abound in the failed attempts of scientists to replicate previous experimental results—in which case, scientists would be forced to question one of the basic principles that guide their work.According to the passage, Sommerer and Ott’s model differs from a riddled basin of attraction in which one of the following ways?

One of the foundations of scientific research is that an experimental result is credible only if it can be replicated—only if performing the experiment a second time leads to the same result. But physicists John Sommerer and Edward Ott have conceived of a physical system in which even the least change in the starting conditions—no matter how small, inadvertent, or undetectable—can alter results radically. The system is represented by a computer model of a mathematical equation describing the motion of a particle placed in a particular type of force field.Sommerer and Ott based their system on an analogy with the phenomena known as riddled basins of attraction. If two bodies of water bound a large landmass and water is spilled somewhere on the land, the water will eventually make its way to one or the other body of water, its destination depending on such factors as where the water is spilled and the geographic features that shape the water’s path and velocity. The basin of attraction for a body of water is the area of land that, whenever water is spilled on it, always directs the spilled water to that body.In some geographical formations it is sometimes impossible to predict, not only the exact destination of the spilled water, but even which body of water it will end up in. This is because the boundary between one basin of attraction and another is riddled with fractal properties; in other words, the boundary is permeated by an extraordinarily high number of physical irregularities such as notches or zigzags. Along such a boundary, the only way to determine where spilled water will flow at any given point is actually to spill it and observe its motion; spilling the water at any immediately adjacent point could give the water an entirely different path, velocity, or destination.In the system posited by the two physicists, this boundary expands to include the whole system: i.e., the entire force field is riddled with fractal properties, and it is impossible to predict even the general destination of the particle given its starting point. Sommerer and Ott make a distinction between this type of uncertainty and that known as “chaos”; under chaos, a particle’s general destination would be predictable but its path and exact destination would not.There are presumably other such systems because the equation the physicists used to construct the computer model was literally the first one they attempted, and the likelihood that they chose the only equation that would lead to an unstable system is small. If other such systems do exist, metaphorical examples of riddled basins of attraction may abound in the failed attempts of scientists to replicate previous experimental results—in which case, scientists would be forced to question one of the basic principles that guide their work.The discussion of the chaos of physical systems is intended to perform which one of the following functions in the passage?

One of the foundations of scientific research is that an experimental result is credible only if it can be replicated—only if performing the experiment a second time leads to the same result. But physicists John Sommerer and Edward Ott have conceived of a physical system in which even the least change in the starting conditions—no matter how small, inadvertent, or undetectable—can alter results radically. The system is represented by a computer model of a mathematical equation describing the motion of a particle placed in a particular type of force field.Sommerer and Ott based their system on an analogy with the phenomena known as riddled basins of attraction. If two bodies of water bound a large landmass and water is spilled somewhere on the land, the water will eventually make its way to one or the other body of water, its destination depending on such factors as where the water is spilled and the geographic features that shape the water’s path and velocity. The basin of attraction for a body of water is the area of land that, whenever water is spilled on it, always directs the spilled water to that body.In some geographical formations it is sometimes impossible to predict, not only the exact destination of the spilled water, but even which body of water it will end up in. This is because the boundary between one basin of attraction and another is riddled with fractal properties; in other words, the boundary is permeated by an extraordinarily high number of physical irregularities such as notches or zigzags. Along such a boundary, the only way to determine where spilled water will flow at any given point is actually to spill it and observe its motion; spilling the water at any immediately adjacent point could give the water an entirely different path, velocity, or destination.In the system posited by the two physicists, this boundary expands to include the whole system: i.e., the entire force field is riddled with fractal properties, and it is impossible to predict even the general destination of the particle given its starting point. Sommerer and Ott make a distinction between this type of uncertainty and that known as “chaos”; under chaos, a particle’s general destination would be predictable but its path and exact destination would not.There are presumably other such systems because the equation the physicists used to construct the computer model was literally the first one they attempted, and the likelihood that they chose the only equation that would lead to an unstable system is small. If other such systems do exist, metaphorical examples of riddled basins of attraction may abound in the failed attempts of scientists to replicate previous experimental results—in which case, scientists would be forced to question one of the basic principles that guide their work.Which one of the following most accurately expresses the main point of the passage?

One of the foundations of scientific research is that an experimental result is credible only if it can be replicated—only if performing the experiment a second time leads to the same result. But physicists John Sommerer and Edward Ott have conceived of a physical system in which even the least change in the starting conditions—no matter how small, inadvertent, or undetectable—can alter results radically. The system is represented by a computer model of a mathematical equation describing the motion of a particle placed in a particular type of force field.Sommerer and Ott based their system on an analogy with the phenomena known as riddled basins of attraction. If two bodies of water bound a large landmass and water is spilled somewhere on the land, the water will eventually make its way to one or the other body of water, its destination depending on such factors as where the water is spilled and the geographic features that shape the water’s path and velocity. The basin of attraction for a body of water is the area of land that, whenever water is spilled on it, always directs the spilled water to that body.In some geographical formations it is sometimes impossible to predict, not only the exact destination of the spilled water, but even which body of water it will end up in. This is because the boundary between one basin of attraction and another is riddled with fractal properties; in other words, the boundary is permeated by an extraordinarily high number of physical irregularities such as notches or zigzags. Along such a boundary, the only way to determine where spilled water will flow at any given point is actually to spill it and observe its motion; spilling the water at any immediately adjacent point could give the water an entirely different path, velocity, or destination.In the system posited by the two physicists, this boundary expands to include the whole system: i.e., the entire force field is riddled with fractal properties, and it is impossible to predict even the general destination of the particle given its starting point. Sommerer and Ott make a distinction between this type of uncertainty and that known as “chaos”; under chaos, a particle’s general destination would be predictable but its path and exact destination would not.There are presumably other such systems because the equation the physicists used to construct the computer model was literally the first one they attempted, and the likelihood that they chose the only equation that would lead to an unstable system is small. If other such systems do exist, metaphorical examples of riddled basins of attraction may abound in the failed attempts of scientists to replicate previous experimental results—in which case, scientists would be forced to question one of the basic principles that guide their work.Given the information in the passage, Sommerer and Ott are most likely to agree with which one of the following?

Before the age of space exploration, the size and composition of the moon’s core were astronomical mysteries. Astronomers assumed that the moon’s core was smaller than that of the Earth, in both relative and absolute terms — the radius of the Earth’s core is 55 percent of the overall radius of the Earth and the core’s mass is 32 percent of the Earth’s overall mass — but they had no way to verify their assumption. However, data gathered by Lunar Prospector have now given astronomers the ability to determine that the moon’s core accounts for 20 percent of the moon’s radius and for a mere 2 percent of its overall mass.The data have been used in two ways. In the first method, scientists measured minute variations in radio signals from Lunar Prospector as the craft moved towards or away from the Earth. These variations allowed scientists to detect even the slightest changes in the craft’s velocity while the craft orbited the moon. These changes resulted from inconsistency in the gravitational pull of the moon on the craft, and permitted scientists to create a “gravity map” of both near and far sides of the moon. This map, in turn, revealed to scientists the distribution of the moon’s internal mass. Scientists were then able to determine that the moon has a small, metallic core, which, if composed mostly of iron, has a radius of approximately 350 kilometers. The second method involved examining the faint magnetic field generated within the moon itself by the moon’s monthly passage through the tail of the Earth’s magnetosphere. This approach confirmed the results obtained through examination of the gravity map.The size and composition of the moon’s core are not academic concerns; they have serious implications for our understanding of the moon’s origins. For example, if the moon and Earth developed as distinct entities, the sizes of their cores should be more comparable. In actuality, it seems that the moon was once part of the Earth and broke away at an early stage in the Earth’s evolution, perhaps as the result of a major asteroid impact. The impact could have loosened iron that had not already sunk to the core of the Earth, allowing it to form the core around which the moon eventually coalesced.Q.According to the passage, scientists employed one research method that measured

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Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one timerepeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofmutual gravitational attraction.a)repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofb)repeated impacts on the surface broke it apart, after which the fragments having rejoined withc)through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined byd)the surface broke apart with repeated impacts, after which the fragments having rejoined throughe)the surface broke apart as a result of repeated impacts, after which the fragments rejoined throughCorrect answer is option 'E'. Can you explain this answer?
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Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one timerepeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofmutual gravitational attraction.a)repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofb)repeated impacts on the surface broke it apart, after which the fragments having rejoined withc)through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined byd)the surface broke apart with repeated impacts, after which the fragments having rejoined throughe)the surface broke apart as a result of repeated impacts, after which the fragments rejoined throughCorrect answer is option 'E'. Can you explain this answer? for GMAT 2025 is part of GMAT preparation. The Question and answers have been prepared according to the GMAT exam syllabus. Information about Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one timerepeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofmutual gravitational attraction.a)repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofb)repeated impacts on the surface broke it apart, after which the fragments having rejoined withc)through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined byd)the surface broke apart with repeated impacts, after which the fragments having rejoined throughe)the surface broke apart as a result of repeated impacts, after which the fragments rejoined throughCorrect answer is option 'E'. Can you explain this answer? covers all topics & solutions for GMAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one timerepeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofmutual gravitational attraction.a)repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because ofb)repeated impacts on the surface broke it apart, after which the fragments having rejoined withc)through repeated impacts that the surface broke apart, after which the fragments subsequently rejoined byd)the surface broke apart with repeated impacts, after which the fragments having rejoined throughe)the surface broke apart as a result of repeated impacts, after which the fragments rejoined throughCorrect answer is option 'E'. Can you explain this answer?.
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