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His studies of ice-polished rocks in his Alpine homeland, far outside

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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 21 Jan 2016, 10:15
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chetan2u Thank you! I got it now.

Engr2012 sorry about posting this question, by the time I posted this very question I was merely 3-4 days old in gmatclub. I have figured it out though in past few days yet thanks for reminding.
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 20 Jul 2016, 21:52
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 temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate

Well this is how i approached :

for age/era - we need 'in which'
So C D E are out.

In A - now and currently are redundant.

So B
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WH- clause [#permalink]

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New post 23 Sep 2016, 02:01
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 temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate


hi instructors,

I am always sunk in the issue that clause + prep + WH- pronouns

I am have no idea that
1/
relative pronoun stands for. the noun proceeding WH- or noun after WH-,

2/
what's the order of the prep + WH- clause ,

in this case, please help clarify.
it will be great if provide more examples.

thanks a lot
have a nice day

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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 26 Sep 2016, 01:21
hi instructors,

I am always sunk in the issue that clause + prep + WH- pronouns

I am have no idea that
1/
relative pronoun stands for. the noun proceeding WH- or noun after WH-,

2/
what's the order of the prep + WH- clause ,

in this case, please help clarify.
it will be great if provide more examples.

thanks a lot
have a nice day

>_~

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Re: WH- clause [#permalink]

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New post 28 Sep 2016, 01:09
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Here the 'in which' refers to the word 'age'. And the subject of the 'in which' is 'great ice sheets'.

In general, when you encounter a 'preposition + which' construction, the subject can be found in the clause that follows 'which'.
But, in a 'which' construction, the subject occurs before the 'which'.

For example - 1. the box of toffees, which is on the table, is expensive. Note that the subject of the which clause occurs before the which clause. Also, 'which' modifies that subject (the box).
(the subject is 'the box'; also note that since 'which' is followed by a singular verb, it cannot refer to 'toffees').

2. the box, in which toffees are kept, is made of aluminum. Here, the subject of the 'in which' clause is 'toffees'. But the 'in which' clause modifies 'the box'.

Hope this helps
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 15 Oct 2016, 10:35
existence of rocks didn't happen before any other event so we need past tense only.

A and D are incorrect for using the past perfect tense. Also A has redundancy with words now and currently.

In E, that needs to refer areas but incorrectly seems to refer to word now.

Active voice is preferred to passive form of construction, thereby eliminating C and hence B is the correct choice.
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 26 Apr 2017, 09:49
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.

1) age........in which
2) Simple past is required in the sentence (existed) and not past perfect as there are as such no related events of which we have to show sequencing.
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 28 Aug 2017, 09:30
according to forum post in some other forum in which and when can be used interchangeably .

2. The Mughal period, in which Akbar ruled, is called the "the classic period".

vs.

The Mughal period, when Akbar ruled, is called the "the classic period".

both option are correct here.

then in this question how do we eliminate option E.

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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 28 Aug 2017, 10:20
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 temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate

Age in which is correct; Age when is incorrect. C,D and E out.

Past perfect is used when we a have a sequence of events and both are in past, but in the sentence at hand there is only 1 event, therefore, simple past will suffice our requirement. A is out.

Answer: B
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 11 Sep 2017, 12:24
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 temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate
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Re: His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 20 Oct 2017, 02:36
kiranjith wrote:
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.

(B) in which great ice sheets existed in what are now temperate areas
in which is used to refer to long duration periods like age. Also, the placement of adverb 'now' is correct in this sentence. But the construction in what are now temperate areas is sounding awkward. Can someone explain on this part?

(E) when great ice sheets existed in areas now that are temperate
If I change the position of now, when great ice sheets existed in areas that are now temperate, is this construction correct?

Also, areas that are now temperate makes more sense than in what are now temperate areas. Is'nt it?


Any expert please review my comments. Thanks!

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His studies of ice-polished rocks in his Alpine homeland, far outside [#permalink]

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New post 29 Oct 2017, 22:07
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kiranjith wrote:
The Official Guide for GMAT Review, 2015

Practice Question
Question No.: SC 72
Page: 685

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 temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate


First Glance

The underline starts with in which. Glance at the answers to notice that other choices offer when instead. The sentence might contain a Modifier issue.

Issues

(1) Verb: had existed

The original sentence uses the past perfect: Ice sheets had existed. Other answers use the simple past existed. Which is correct?

Past perfect is used to denote the longer-ago of two past actions. In this case, the had existed action is paired with a comment about the climate in those same areas now. It's acceptable, then, to use simple past existed; don't use a more complex tense when a simple tense is acceptable. Eliminate answers (A) and (D).

(2) Meaning

In answer (A), now currently is redundant—both words mean the same thing. Eliminate answer (A), and examine the meaning in the other answers:

(B) existed in what are now temperate areas
(C) existed where there were areas now temperate
(D) existed in current temperate areas
(E) existed in areas now that are temperate

Answer (D) drops now and switches from currently to current. That word is modifying the adjective temperate, so it needs to be in the adverb form (currently). The adjective form current can only be used to modify nouns. Eliminate answer (D).

The other answers drop currently and use only now. Answers (B) and (C) are okay, but answer (E) has a meaning problem. The word now must be tied to a particular action or event: Something happened now. In answer (E), the word now is actually tied to existed: Sheets existed now that are temperate. Something can't be simultaneously in the past (existed) and happening now. Eliminate answer (E).

Answer (C) also mixes two time frames: were and now. They were [not] temperate before; they are temperate now. Eliminate answer (C).

The Correct Answer

Correct answer (B) fixes the initial verb error by switching to the simple past existed. The construction in what are now temperate areas properly indicates that the climate has changed in these areas. they used to be cold; they are now temperate.

Miscellaneous

Note: The in which versus when split turned out be a red herring! Both versions are acceptable.
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