mikrodj Wrote:It's not a run-on because you don't a verb in the modifier.
prevented from dissipating by .... modifies acoustic energy.
if the phrase were written
its acoustic energy IS prevented from dissipating by .....
then it would be a run-on
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its acoustic energy prevented from dissipating by .... explains the previous clause.
I think this GMAT Prep problem is similar in structure
With surface temperatures estimated at minus 230 degrees Farenheit, Jupiter's moon Europa has long been considered far too cold to support life, and with 60 square miles of water though to be frozen from top to bottom
A) Europa has long been considered far too cold to support life, and with
B) Europa has long been considered far too cold to support life, its
C) Europa has long been considered as far too cold to support life and has
D) Europa, long considered as far too cold to support life, and its
E) Europa, long considered to be far too cold to support life, and to have
OA B
I'm sure Ron can give a better explanation.
hey - nice find.
there's not much of an "explanation" to give here, really. just do this:
* take a look at this problem (along with its OA). take a look at the other problem.
*
note the pattern of each correct answer.* try to
create your own sentences with the same structure, to reinforce your knowledge.
e.g.
joe ran after the bus, his arms flailing wildly as he attempted to capture the driver's attention.if you want to look up more examples online, this construction is known as an "absolute phrase".