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655-705 (Hard)|   Modifiers|      
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nks2611
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Kate San's study, published in Nature, shows that the 29 Jul 2017, 02:49
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katelyntanglu
nks2611
katelyntanglu
Can someone please provide the SOURCE or a screenshot of the question?

E) making it possible to improve the margin of error in the archaeological chronology of ancient Egypt, from plus or minus 100 years to only five years, (AND?) pinpointing the probable start

I don't quite understand why there is no AND between these two "comma +doing" sentences?
Is that allowed in Gmat exam?

Thanks in advance.

hey , happy to respond

see first thing you when you comma+and then the sentence must be IC after comma+and ,means you can only join two ICs with comma+and , so there will be not and before 2nd modifier .

hope its clear . hit kudos if you liked it . :-D


Ummmm, yep, these two sentences starting with "ing" are both IC and they are both modifying the main clause, and that's why I think we need a "AND" here.

Hope I don't miss sth. And I still dont understand why E is correct. Can someone explain it?
Thx.
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IC must have subject + verb, and what you have talked about is not IC there is only one IC which is the first sentence before the modifiers, and if you still not cleared please provide specific example where you have seen this comma+ and example.

Sent from my vivo 1601 using GMAT Club Forum mobile app
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Kate San's study, published in Nature, shows that the 18 Aug 2022, 05:16
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