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COMMA or AND

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vikram4689 GMAT Titan
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COMMA or AND Post Fri Apr 27, 2012 11:49 am
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  • Lap #[LAPCOUNT] ([LAPTIME])
    CORRECT SENTENCE: Scientists have recently discovered that the ultrathin, layered construction of a butterfly’s wings enables the insect to control how much heat energy is absorbed by its wings and how much is reflected away.

    What is the difference between ultrathin, layered construction and ultrathin AND layered construction in above sentence

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    theperegrine Just gettin' started! Default Avatar
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    Post Fri Apr 27, 2012 7:03 pm
    By using the comma, 'ultrathin' becomes a qualifier for the 'layered construction'
    By using 'and', 'ultrathin' qualifies the wings rather than the 'construction'
    So, depending on what you want to talk about, you can use either of the two forms of construction.

    vikram4689 GMAT Titan
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    Post Fri Apr 27, 2012 8:03 pm
    theperegrine wrote:
    By using 'and', 'ultrathin' qualifies the wings rather than the 'construction'
    I think even in above case 'ultrathin' and 'layered' modifies 'construction' because 'ultrathin' is an ADJECTIVE so 'ultrathin of a butterfly’s wings' as suggested above would be incorrect

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    vikram4689 GMAT Titan
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    Post Mon Apr 30, 2012 9:26 pm
    Anyone who would like to address this one

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    vikram4689 GMAT Titan
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    Post Wed May 09, 2012 7:12 am
    vikram4689 wrote:
    theperegrine wrote:
    By using 'and', 'ultrathin' qualifies the wings rather than the 'construction'
    I think even in above case 'ultrathin' and 'layered' modifies 'construction' because 'ultrathin' is an ADJECTIVE so 'ultrathin of a butterfly’s wings' as suggested above would be incorrect
    Aren't these 2 sentences mean SAME
    a) the ultrathin, layered construction of a butterfly’s wings enables the insect
    b) the ultrathin and layered construction of a butterfly’s wings enables the insect

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    vikram4689 GMAT Titan
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    Post Fri May 11, 2012 10:40 am
    Experts please reply

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