Mercury lacks a substantial atmosphere unlike

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guerrero: Master | Next Rank: 500 Posts; Posts: 227; Joined: Sun Apr 08, 2012 4:53 amFollowed by: 3 members; Thanked: 12 times

by guerrero » Fri Oct 11, 2013 10:01 pm

Mercury lacks a substantial atmosphere unlike the other planets in the solar system, having such small size and proximity to the sun.

A) Mercury lacks a substantial atmosphere unlike the other planets in the solar system, having such

B) Unlike the other planets in the solar system, Mercury lacks a substantial atmosphere because of its

C) Unlike all the planets in the solar system, Mercury has no substantial atmosphere; because of its

D) Mercury lacks a substantial atmosphere unlike all the planets in the solar system: it has a

E)Unlike the other planets in the solar system, Mercury has no substantial atmosphere; because it has such

OA
B

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Source: Beat The GMAT — Sentence Correction | Fri Oct 11, 2013 10:01 pm

theCodeToGMAT: Legendary Member; Posts: 1556; Joined: Tue Aug 14, 2012 11:18 pmFollowed by: 34 members; Thanked: 448 times; GMAT Score:650

by theCodeToGMAT » Fri Oct 11, 2013 10:28 pm

{A} - INCORRECT; "the comparison modifier is better seperated using comma"
{B} - CORRECT;
{C} - INCORRECT; we need "other" with planets; "because of it" is a dependent clause.. can't be seperated using ";"
{D} - INCORRECT; we need "other" before plants
{E} - INCORRECT; "because of it" is a dependent clause.. can't be seperated using ";"

R A H U L

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[email protected]: Elite Legendary Member; Posts: 10392; Joined: Sun Jun 23, 2013 6:38 pmFollowed by: 511 members; Location: Palo Alto, CA; Thanked: 2867 times; GMAT Score:800

by [email protected] » Sat Oct 12, 2013 1:56 pm

Hi guerrero,

The words "unlike" and "like" are common "triggers" for Comparison/Parallelism rules (and often appear as the first word in a sentence). The "intent" of the prompt is to make a comparison between Mercury and other planets in the solar system.

Answers B, C and E properly order the Comparison with a Modification rule. Eliminate A and D.

Since we're comparing Mercury to OTHER planets, C and E don't make sense (the word "all" is incorrect because we're not comparing Mercury to itself).

Final Answer: B

GMAT assassins aren't born, they're made,
Rich

Contact Rich at [email protected]

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Java_85: Master | Next Rank: 500 Posts; Posts: 234; Joined: Tue Jul 16, 2013 9:00 am; Location: West Virginia; Thanked: 9 times

by Java_85 » Sun Oct 13, 2013 2:51 pm

IMO B

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