Source: Official Guide for the GMAT 13th Ed. Sentence Correction; #74 Official Guide for the GMAT 2015 14th Ed. Sentence Correction; #74

2

Despite its covering the entire planet, Earth

Despite its covering the entire planet, Earth has a crust that is not seamless or stationary, rather it is fragmented into mobile semirigid plates.

2 Explanations

1

Richa Chandra

Amazing Explanation, but in the end mike says "is Not X or Y" is double negative. I couldn't grasp that point. Please explain.

Jun 2, 2016 • Comment

Cydney Seigerman, Magoosh Tutor

Hi Richa :)

We're glad to hear that you liked Mike's explanation :) Regarding your question, in order for the sentence to be grammatically correct, we need to maintain the negative when referring to both alternatives (i.e. X and Y). We want to say that it is not X and it is not Y. To correctly say this, we need two negative conjunctions, neither and nor. When neither alternative is possible, something is neither X nor Y. On the other hand, "or" is used when referring to positive alternatives: something is either X or Y.

I hope this clears up your doubts :)

Jun 3, 2016 • Reply

1

Gravatar Mike McGarry, Magoosh Tutor

May 22, 2013 • Comment

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Section 9.6 Sentence Correction

Section 9.6 Sentence Correction

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