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08 Feb 2019, 08:43
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C
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Difficulty:
65%
(hard)
Question Stats:
54% (01:54) correct
46%
(02:01)
wrong
based on 935
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Paleontologists studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that have ever existed.
A. studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that
B. that study the fossil record have estimated that the current collection of known fossils is only 10% of all species that
C. studying the fossil record have estimated that the current collection of known fossils accounts for only 10% of all species that
D. who study the fossil record have estimated that the fossils currently collected are only approximately 10% of all species which
E. who study the fossil record estimate that the current collection of known fossils accounts for approximately 10% of all species which
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08 Feb 2019, 11:56
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aragonn
Paleontologists studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that have ever existed.
Meaning:
1. There is paleontologists who study the fossil record
2. They have estimated that the current collection of known fossils accounts for only (approximately) 10% of all species that have ever existed
Errors:
Attachment:
A.JPG [ 52.96 KiB | Viewed 8213 times ]
v-ing right after the noun without comma 'studying' correctly modifies "paleontologists"
all SV pairs are in place and agree in number
One strage thing to me is "only" and "approximately"
"approximately" - close to a particular number or time although not exactly that number or time:
In December, the company reduced its workforce by approximately 5%.
"only"
Attachment:
only.JPG [ 55.18 KiB | Viewed 8119 times ]
---> Perfect explanation "Understanding the Word “Only” (Mandatory to read): <---
Keep in mind “only” is a modifier. This means that it modifies what you are trying to say and acts as a descriptive word in your sentence. “Only” can have a strong presence in a sentence and can shift the meaning of a sentence drastically if it is used incorrectly.[1] To create a clear sentence, you should place “only” next to the noun, subject, verb, or phrase you are trying to modify.
When the word “only” is misplaced in a sentence, it becomes a “misplaced modifier”. This means the modifier, for example “only”, is not placed beside the noun or other word it is trying to modify. This creates confusion on the part of the listener or reader because the sentence becomes awkward... --->
So we have 10% of all species that have ever existed
'only' has to modify '10%' not 'approximately'
only 10% of all species that have ever existed -- correct
approximately 10% of all species that have ever existed -- correct
only approximately 10% of all species that have ever existed -- incorrect
POE
A. studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that
B. that study the fossil record have estimated that the current collection of known fossils is only 10% of all species that
('that' - cannot modify people)
C. studying the fossil record have estimated that the current collection of known fossils accounts for only 10% of all species that
D. who study the fossil record have estimated that the fossils currently collected are only approximately 10% of all species which
(same as A, 'which' - needs to be preceded by comma)
E. who study the fossil record estimate that the current collection of known fossils accounts for approximately 10% of all species which
(paleontologists estimate - present simple - it is not a general fact or rule, we don't need this tense here, 'which' - needs to be preceded by comma )
C is the answer
General Discussion
Ashokshiva
Joined: 15 Nov 2015
Last visit: 25 Sep 2023
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Schools: IIMA PGPX "21 ISB '21 IIMC MBAEx "21
GMAT 1: 700 Q47 V39
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08 Feb 2019, 21:00
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Paleontologists studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that have ever existed.
A. studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that
Hold, words 'only' & 'approx' placed close together doesnt make sense, hence go for option C
B. that study the fossil record have estimated that the current collection of known fossils is only 10% of all species that
'that' cannot people
C. studying the fossil record have estimated that the current collection of known fossils accounts for only 10% of all species that
Hold, only ''approx' is missing compared to option-A and it makes sense not to have both the words close together
D. who study the fossil record have estimated that the fossils currently collected are only approximately 10% of all species which
'which' should be precede by comma
E. who study the fossil record estimate that the current collection of known fossils accounts for approximately 10% of all species which
'which' should be precede by comma
A. studying the fossil record have estimated that the current collection of known fossils accounts for only approximately 10% of all species that
Hold, words 'only' & 'approx' placed close together doesnt make sense, hence go for option C
B. that study the fossil record have estimated that the current collection of known fossils is only 10% of all species that
'that' cannot people
C. studying the fossil record have estimated that the current collection of known fossils accounts for only 10% of all species that
Hold, only ''approx' is missing compared to option-A and it makes sense not to have both the words close together
D. who study the fossil record have estimated that the fossils currently collected are only approximately 10% of all species which
'which' should be precede by comma
E. who study the fossil record estimate that the current collection of known fossils accounts for approximately 10% of all species which
'which' should be precede by comma
