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# Researchers at Cornell University have demonstrated that

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Manager
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Researchers at Cornell University have demonstrated that [#permalink]

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31 Jul 2012, 08:45
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92% (01:38) correct 8% (00:00) wrong based on 26 sessions

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1. Researchers at Cornell University have demonstrated that homing pigeons can sense changes in the earth’s magnetic field, see light waves that people cannot see, detect low-frequency sounds from miles away, sense changes in air pressure, and can identify familiar odors.
(A) sense changes in air pressure, and can identify familiar odors
(B) can sense changes in air pressure, and can identify familiar odors
(C) sense changes in air pressure, and identify familiar odors
(D) air pressure changes can be sensed, and familiar odors identified
(E) air pressure changes are sensed, and familiar odors identified
[Reveal] Spoiler: OA

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Last edited by PUNEETSCHDV on 31 Jul 2012, 09:08, edited 2 times in total.
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Manager
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Re: Researchers at Cornell University [#permalink]

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31 Jul 2012, 09:21
It must be C because of Parallelism
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Re: Researchers at Cornell University [#permalink]

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31 Jul 2012, 11:36
PUNEETSCHDV wrote:
1. Researchers at Cornell University have demonstrated that homing pigeons can sense changes in the earth’s magnetic field, see light waves that people cannot see, detect low-frequency sounds from miles away, sense changes in air pressure, and can identify familiar odors.
(A) sense changes in air pressure, and can identify familiar odors
(B) can sense changes in air pressure, and can identify familiar odors
(C) sense changes in air pressure, and identify familiar odors
(D) air pressure changes can be sensed, and familiar odors identified
(E) air pressure changes are sensed, and familiar odors identified

let us say that the pigeons can do the following things -
1. sense changes in earth's mag field
2. see light waves
3. detect low frequencies
4. sense changes in air-pressure
5. identify familiar odors.

the use of "can" in both options A and B is redundant.
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Re: Researchers at Cornell University [#permalink]

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31 Jul 2012, 12:04
I'm also supporting C. A is what someone would pick if they were trying to make both sides of and be the same, but since the sentence is a list there is no need to put "can" after and.
Re: Researchers at Cornell University   [#permalink] 31 Jul 2012, 12:04
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# Researchers at Cornell University have demonstrated that

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