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The tenn " Ice Age" may give a wrong impression. The epoch t
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09 Jan 2020, 17:06
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Kudos for the right answer and explanation
The term " Ice Age" may give the wrong impression. The epoch that geologists know as the Pleistocene and that spanned the 1.5 to 2.0 million years prior to the current geologic epoch was not one long continuous glaciation, but a period of oscillating climate with ice advances punctuated by times of interglacial climate not very different from the climate experienced now. Ice sheets that derived from an ice cap centered on northern Scandinavia reached southward to Central Europe. And beyond the margins of the ice sheets, climatic oscillations affected most of the rest of the world; for example, in the deserts, periods of wetter conditions (pluvials) contrasted with drier, interpluvial periods. Although the time involved is so short, about 0.04 percent of the total age of the Earth, the amount of attention devoted to the Pleistocene has been incredibly large, probably because of its immediacy, and because the epoch largely coincides with the appearance on Earth of humans and their immediate ancestors.
There is no reliable way of dating much of the Ice Age. Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals. Some of these rates are suitable for very old rocks but involve increasing errors when used for young rocks; others are suitable for very young rocks and errors increase rapidly in older rocks. Most of the Ice Age spans a period of time for which no element has an appropriate decay rate.
Nevertheless, researchers of the Pleistocene epoch have developed all sorts of more or less fanciful model schemes of how they would have arranged the Ice Age had they been in charge of events. For example, an early classification of Alpine glaciation suggested the existence there of four glaciations, named the Giinz, Mindel, Riss, and Wurm. This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods, rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits. Yet this succession was forced willy-nilly onto the glaciated parts of Northern Europe, where there are partial successions of true glacial ground moraines and interglacial deposits, with hopes of ultimately piecing them together to provide a complete Pleistocene succession. Eradication of the Alpine nomenclature is still proving a Herculean task.
There is no conclusive evidence about the relative length. complexity, and temperatures of the various glacial and interglacial periods. We do not know whether we live in a postglacial period or an interglacial period. The chill truth seems to be that we are already past the optimum climate of postglacial time. Studies of certain fossil distributions and of the pollen of certain temperate plants suggest decreases of a degree or two in both summer and winter temperatures and, therefore, that we may be in the declining climatic phase leading to glaciation and extinction.
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Question Stats:
61% (02:55) correct
39% (02:23) wrong based on 51 sessions
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21. In the passage, the author is primarily concerned with
(A) searching for an accurate method of dating the Pleistocene epoch (B) discussing problems involved in providing an accurate picture of the Pleistocene epoch (C) declaring opposition to the use of the term "Ice Age" for the Pleistocene epoch (D) criticizing fanciful schemes about what happened in the Pleistocene epoch (E) refuting-'the idea that there is no way to tell if we are now living in an Ice Age
30% (00:58) correct
70% (01:25) wrong based on 50 sessions
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22. The "wrong impression" to which the author refers is the idea that the (A) climate of the Pleistocene epoch was not very different from the climate we are now experiencing (B) climate of the Pleistocene epoch was composed of periods of violent storms (C) Pleistocene epoch consisted of very wet, cold periods mixed with very dry, hot periods (D) Pleistocene epoch comprised one period of continuous glaciation during which Northern Europe was covered with ice sheets (E) Pleistocene epoch had no long periods during which much of the Earth was covered by ice
42% (01:59) correct
58% (01:55) wrong based on 48 sessions
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23. According to the passage, one of the reasons for the deficiencies of the "early classification of Alpine glaciation" is that it was
(A) derived from evidence that was only tangentially related to times of actual glaciation (B) based primarily on fossil remains rather than on actual living organisms (C) an abstract, imaginative scheme of how the period might have been structured (D) based on unmethodical examinations of randomly chosen glacial biological remains (E) derived from evidence that had been haphazardly gathered from glacial deposits and inaccurately evaluated
47% (01:33) correct
53% (01:37) wrong based on 47 sessions
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24. Which of the following does the passage imply about the "early classification of Alpine glaciation" (lines 32-33)?
(A) It should not have been applied as widely as it was. (B) It represents the best possible scientific practice, given the tools available at the time. (C) It was a valuable tool, in its time, for measuring the length of the four periods of glaciation. (D) It could be useful, but only as a general guide to the events of the Pleistocene epoch. (E) It does not shed any light on the methods used at the time for investigating periods of glaciation.
62% (01:20) correct
38% (01:38) wrong based on 47 sessions
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25. It can be inferred from the passage that an important result of producing an accurate chronology of events of the Pleistocene epoch would be a
(A) clearer idea of the origin of the Earth (B) clearer picture of the Earth during the time that humans developed (C) clearer understanding of the reasons for the existence of deserts (D) more detailed understanding of how radioactive dating of minerals works (E) firmer understanding of how the northern polar ice cap developed
71% (01:26) correct
29% (01:22) wrong based on 45 sessions
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26. The author refers to deserts primarily in order to (A) illustrate the idea that an interglacial climate is marked by oscillations of wet and dry periods (B) illustrate the idea that what happened in the deserts during the Ice Age had far-reaching effects even on the ice sheets of Central and Northern Europe (C) illustrate the idea that the effects of the Ice Age's climatic variations extended beyond the areas of ice (D) support the view that during the Ice Age sheets of ice covered some of the deserts of the world (E) support the view that we are probably living in a postglacial period
Schools: Copenhagen Business School - Class of 2022
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Re: The tenn " Ice Age" may give a wrong impression. The epoch t
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22 Apr 2020, 12:14
Splendid reading passage. 5/7->would that be an ok score for a passage like this? Also if someone finds the time, can he/she explain 22 question. Cannot really comprehend why D is correct and A not.
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
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29 Apr 2020, 21:49
4
Question 22 asks for the “wrong impression” that the term “Ice Age” gives. In the second line it is mentioned “was not one long continuous glaciation”, which is indicative of what the right meaning is and opposite of wrong impression. So, option A is the right impression that, as mentioned in the later part of second section “not very different from the climate experienced now“, that is opposite of what the question asks for. While option D states a “continuous glaciation” in the sentence which is actually the wrong impression.
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
29 Apr 2020, 23:49
1
26. The author refers to deserts primarily in order to (A) illustrate the idea that an interglacial climate is marked by oscillations of wet and dry periods (B) illustrate the idea that what happened in the deserts during the Ice Age had far-reaching effects even on the ice sheets of Central and Northern Europe (C) illustrate the idea that the effects of the Ice Age's climatic variations extended beyond the areas of ice (D) support the view that during the Ice Age sheets of ice covered some of the deserts of the world (E) support the view that we are probably living in a postglacial period
Passage fragment in support of option C: And beyond the margins of the ice sheets, climatic oscillations affected most of the rest of the world;for example, in the deserts, periods of wetter conditions (pluvials) contrasted with drier, interpluvial periods.
I think it's clear from the fragment that the option C is only viable answer to the question.
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
29 Apr 2020, 23:51
2
23. According to the passage, one of the reasons for the deficiencies of the "early classification of Alpine glaciation" is that it was
(A) derived from evidence that was only tangentially related to times of actual glaciation (B) based primarily on fossil remains rather than on actual living organisms (C) an abstract, imaginative scheme of how the period might have been structured (D) based on unmethodical examinations of randomly chosen glacial biological remains (E) derived from evidence that had been haphazardly gathered from glacial deposits and inaccurately evaluated
Passage fragment in support of option A: This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods, rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits.
Not directly is pretty much the same as the tangential, thus option A would be correct.
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
28 May 2020, 18:38
3
21. In the passage, the author is primarily concerned with
(B) discussing problems involved in providing an accurate picture of the Pleistocene epoch Correct- this is the overall theme
22. The "wrong impression" to which the author refers is the idea that the (D) Pleistocene epoch comprised one period of continuous glaciation during which Northern Europe was covered with ice sheets correct: was not one long continuous glaciation
23. According to the passage, one of the reasons for the deficiencies of the "early classification of Alpine glaciation" is that it was
(A) derived from evidence that was only tangentially related to times of actual glaciation Correct: This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods
24. Which of the following does the passage imply about the "early classification of Alpine glaciation" (lines 32-33)?
(A) It should not have been applied as widely as it was. Correct: Yet this succession was forced willy-nilly onto the glaciated parts of Northern Europe
(E) It does not shed any light on the methods used at the time for investigating periods of glaciation.- Incorrect- passage does not mention this
25. It can be inferred from the passage that an important result of producing an accurate chronology of events of the Pleistocene epoch would be a POE (B) clearer picture of the Earth during the time that humans developed Correct: and because the epoch largely coincides with the appearance on Earth of humans and their immediate ancestors.
26. The author refers to deserts primarily in order to
(C) illustrate the idea that the effects of the Ice Age's climatic variations extended beyond the areas of ice Correct- Ice sheets that derived from an ice cap centered on northern Scandinavia reached southward to Central Europe. And beyond the margins of the ice sheets, climatic oscillations affected most of the rest of the world; for example deserts
27. The author would regard the idea that we are living in an interglacial period as
(D) plausible correct: We do not know whether we live in a postglacial period or an interglacial period. The chill truth seems to be that we are already past the optimum climate of postglacial time
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
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30 Jun 2020, 06:18
Hi. My score was 6/7 in about 14 minutes. Is it too bad? I feel for me, there is always a trade-off going between accuracy and speed. Can someone suggest ways to improve accuracy. Thanks alot
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
14 Jun 2021, 20:06
1
Got 22,23, 26 wrong. Took too much time approx 12 mins. I agree ideally that should be below 5-6 mins. RC requires laser focus. Please explain the questions by shedding some light on the evidence.
I did not understand paragraph 3.
"Nevertheless, researchers of the Pleistocene epoch have developed all sorts of more or less fanciful model schemes of how they would have arranged the Ice Age had they been in charge of events. For example, an early classification of Alpine glaciation suggested the existence there of four glaciations named the Giinz, Mindel, Riss, and William. This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods, rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits. Yet this succession was forced willy-nilly onto the glaciated parts of Northern Europe, where there are partial successions of true glacial ground moraines and interglacial deposits, with hopes of ultimately piecing them together to provide a complete Pleistocene succession. Eradication of the Alpine nomenclature is stil1 proving a Herculean task."
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
14 Jun 2021, 20:37
2
Hey,
Your time is alright. For a long passage, it should be 3mins for reading and 60-90seconds for each question.
The epoch that geologists know as the Pleistocene and that spanned the 1.5 to 2.0 million years prior to the current geologic epoch was not one long continuous glaciation, but a period of oscillating climate with ice advances punctuated by times of inter-glacial climate not very different from the climate experienced now.
22. The "wrong impression" to which the author refers is the idea that the (A) climate of the Pleistocene epoch was not very different from the climate we are now experiencing - This is not the wrong impression. This is the deduction. (B) climate of the Pleistocene epoch was composed of periods of violent storms - not relevant (C) Pleistocene epoch consisted of very wet, cold periods mixed with very dry, hot periods (D) Pleistocene epoch comprised one period of continuous glaciation during which Northern Europe was covered with ice sheets - Correct. Consider the above sentence from the passage. (E) Pleistocene epoch had no long periods during which much of the Earth was covered by ice
This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods, rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits.
23. According to the passage, one of the reasons for the deficiencies of the "early classification of Alpine glaciation" is that it was
(A) derived from evidence that was only tangentially related to times of actual glaciation - They were not directly related. As mentioned above (B) based primarily on fossil remains rather than on actual living organisms (C) an abstract, imaginative scheme of how the period might have been structured (D) based on unmethodical examinations of randomly chosen glacial biological remains - Trap. The main reason is that they were not directly related. That's why there are deficiencies. (E) derived from evidence that had been haphazardly gathered from glacial deposits and inaccurately evaluated
And beyond the margins of the ice sheets, climatic oscillations affected most of the rest of the world; for example, in the deserts,
26. The author refers to deserts primarily in order to (A) illustrate the idea that an inter-glacial climate is marked by oscillations of wet and dry periods (B) illustrate the idea that what happened in the deserts during the Ice Age had far-reaching effects even on the ice sheets of Central and Northern Europe (C) illustrate the idea that the effects of the Ice Age's climatic variations extended beyond the areas of ice - Correct. Conveying exactly as given in the passage. (D) support the view that during the Ice Age sheets of ice covered some of the deserts of the world (E) support the view that we are probably living in a postglacial period
Please ask for any doubts.
sud298 wrote:
Got 22,23, 26 wrong. Took too much time approx 12 mins. I agree ideally that should be below 5-6 mins. RC requires laser focus. Please explain the questions by shedding some light on the evidence.
I did not understand paragraph 3.
"Nevertheless, researchers of the Pleistocene epoch have developed all sorts of more or less fanciful model schemes of how they would have arranged the Ice Age had they been in charge of events. For example, an early classification of Alpine glaciation suggested the existence there of four glaciations named the Giinz, Mindel, Riss, and William. This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods, rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits. Yet this succession was forced willy-nilly onto the glaciated parts of Northern Europe, where there are partial successions of true glacial ground moraines and interglacial deposits, with hopes of ultimately piecing them together to provide a complete Pleistocene succession. Eradication of the Alpine nomenclature is stil1 proving a Herculean task."
Re: The tenn " Ice Age" may give a wrong impression. The epoch t
[#permalink]
21 Aug 2022, 06:11
Thank you for all your explanation for all the questions. I have taken a quite a lot time to read through, My major issue was to read through all the sentences and find the meaning of it, as there were many detail information in the passage.
Any advice on the same, how to deal with such dense passages?
Thank you for all your explanation for all the questions. I have taken a quite a lot time to read through, My major issue was to read through all the sentences and find the meaning of it, as there were many detail information in the passage.
Any advice on the same, how to deal with such dense passages?
gmatclubot
Re: The tenn " Ice Age" may give a wrong impression. The epoch t [#permalink]