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Researchers at Cornell University have demonstrated that

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Researchers at Cornell University have demonstrated that [#permalink]

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20 Oct 2010, 03:14
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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

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Re: Researchers at Cornell University have........ [#permalink]

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20 Oct 2010, 03:22
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The original - Can – stands for all the arms of the series. Any more use of -cans – randomly, unless repeated for each and every arm, breaks the parallelism. C is the only choice that avoids the –can- . So that is it
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Re: Researchers at Cornell University have........ [#permalink]

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20 Oct 2010, 13:54
pzazz12 wrote:
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

Parallelism - 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.

Last segment is not parallel - identify familiar odors makes all the items parallel.
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Re: Researchers at Cornell University have........   [#permalink] 20 Oct 2010, 13:54
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