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Inertia-gravity waves

Expert replies
by harsh.champ » Fri Feb 19, 2010 9:55 am
Inertia-gravity waves cause characteristic stripy patterns in the clouds in the lower atmosphere but they are disregarded by conventional weather forecasts because they are thought to be too small to interact with larger systems such as warm and cold fronts.

A. they are disregarded by conventional weather forecasts because they are thought to be too small
B. they are disregarded by conventional weather forecasts because these waves are thought to be too small
C. conventional weather forecasts disregard them because they think they are too small
D. conventional weather forecasts disregard these waves because they are thought to be too small
E. conventional weather forecasts think them too small
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Source: — Sentence Correction |

by sumanr84 » Fri Feb 19, 2010 10:13 am
IMO : D
harsh.champ wrote:Inertia-gravity waves cause characteristic stripy patterns in the clouds in the lower atmosphere but they are disregarded by conventional weather forecasts because they are thought to be too small to interact with larger systems such as warm and cold fronts.

A. they are disregarded by conventional weather forecasts because they are thought to be too small - Ambiguous
B. they are disregarded by conventional weather forecasts because these waves are thought to be too small - Ambiguous
C. conventional weather forecasts disregard them because they think they are too small - repeated, Ambiguous
D. conventional weather forecasts disregard these waves because they are thought to be too small - Correct
E. conventional weather forecasts think them too small - Awkward
I am on a break !!
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by gmatmachoman » Fri Feb 19, 2010 10:19 am
+1 for D..

I felt for B...but after a second thought....."they" referent is bit ambiguous!!
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