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The impact of a large meteor nearly 65 million years ago can better ac

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The impact of a large meteor nearly 65 million years ago can better ac [#permalink]

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New post 15 Jan 2018, 02:35
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A
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Difficulty:

  95% (hard)

Question Stats:

45% (01:57) correct 55% (01:50) wrong based on 136 sessions

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The impact of a large meteor nearly 65 million years ago can better account for the series of cataclysmic events attending the extinction of the dinosaurs than can the concomitant changes in the Earth’s climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors and, in and of itself, in no way related to changes in the terrestrial climate.

A in the Earth’s climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors

B in the Earth’s climate alone—changes that can best be explained by the sudden appearance of high concentrations in iridium, an element that is found in meteors

C to the climate of the Earth, and this best explains the sudden appearance of iridium, an element in high concentrations in meteors
in the Earth’s climate alone

D in the Earth’s climate alone; the former best explains the sudden appearance of high concentrations of iridium, an element found in meteors

E to the Earth’s climate alone and that the impact can best explain the sudden appearance of high concentrations of iridium in meteors, an element found
[Reveal] Spoiler: OA
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Re: The impact of a large meteor nearly 65 million years ago can better ac [#permalink]

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New post 15 Jan 2018, 05:08
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+1 D

This question has a 3:2 initial split.That is changes in vs changes to.We definitely choose changes in cause that is the right way to express.So,C and E are out.

Now among A,B and D

A in the Earth’s climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors-This sentence is unnecessary wordy and not consice. And meteorite can best explain is weird,its actually the impact of the meteorite and its consequence that explains.

B in the Earth’s climate alone—changes that can best be explained by the sudden appearance of high concentrations in iridium, an element that is found in meteors-Totally changes the meaning.Implies that the later event is responsible for the high concentration of iridium.

D in the Earth’s climate alone; the former best explains the sudden appearance of high concentrations of iridium, an element found in meteors-Perfectly written and hence,the right answer.
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Re: The impact of a large meteor nearly 65 million years ago can better ac [#permalink]

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New post 01 Feb 2018, 09:24
A in the Earth’s climate alone, based on the fact that the meteorite can best explain the sudden appearance of high concentrations of the element iridium, which is found in meteors

B in the Earth’s climate alone—changes that can best be explained by the sudden appearance of high concentrations in iridium, an element that is found in meteors -> passive verb, change the subject and meaning from explanation to "change", wordy, and "that is" can be redundant

C to the climate of the Earth, and this best explains the sudden appearance of iridium, an element in high concentrations in meteors in the Earth’s climate alone

D in the Earth’s climate alone; the former best explains the sudden appearance of high concentrations of iridium, an element found in meteors

E to the Earth’s climate alone and that the impact can best explain the sudden appearance of high concentrations of iridium in meteors, an element found
Re: The impact of a large meteor nearly 65 million years ago can better ac   [#permalink] 01 Feb 2018, 09:24
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The impact of a large meteor nearly 65 million years ago can better ac

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