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Updated on: 06 Jun 2021, 05:08
Originally posted by LoneSurvivor on 30 Mar 2019, 08:37.
Last edited by Bunuel on 06 Jun 2021, 05:08, edited 1 time in total.
Last edited by Bunuel on 06 Jun 2021, 05:08, edited 1 time in total.
Renamed the topic and edited the question.
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
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Question Stats:
34% (02:05) correct
66%
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wrong
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With the private space industry at the early stages of launch revolution — it is expected that the number of launches is going to increase dramatically — it has become imperative to study the effects of the plume of exhaust that rocket leaves in its wake on the stratosphere and the Ozone layer.
A. it has become imperative to study the effects of the plume of exhaust that rocket leaves in its wake on the stratosphere and the Ozone layer.
B. studying the effects on the stratosphere and Ozone layer caused by the plumes of exhaust left by rockets in their wake has become imperative.
C. the plume of exhaust left by a rocket in its wake has to be studied for its effect on the stratosphere and Ozone layer.
D. the study of the plumes of exhaust that rocket leaves in their wake and of the effect on the stratosphere and the Ozone layer has become imperative.
E. it has become imperative to study how the plumes of exhaust that rocket leaves in its wake affects the stratosphere and ozone layer .
A. it has become imperative to study the effects of the plume of exhaust that rocket leaves in its wake on the stratosphere and the Ozone layer.
B. studying the effects on the stratosphere and Ozone layer caused by the plumes of exhaust left by rockets in their wake has become imperative.
C. the plume of exhaust left by a rocket in its wake has to be studied for its effect on the stratosphere and Ozone layer.
D. the study of the plumes of exhaust that rocket leaves in their wake and of the effect on the stratosphere and the Ozone layer has become imperative.
E. it has become imperative to study how the plumes of exhaust that rocket leaves in its wake affects the stratosphere and ozone layer .
30 Mar 2019, 14:00
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swadhakamal
Option E changes the meaning of the stem sentence.
(E) it has become imperative to study how the plumes of exhaust that rocket leaves in its wake affects the stratosphere and ozone layer .
Studying how - is study of the mechanism, which is not what stem sentence concerns with.
30 Mar 2019, 18:40
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swadhakamal
One way to remove E is to check whether the verb affects is supposed to be singular or not. We'll ignore the fact that we can't say "rocket leaves" (unless the that refers to a particular rocket, but no such rocket is mentioned in this sentence).
... to study how the plumes of exhaust that rocket leaves in its wake affects the stratosphere and ozone layer.
In this option, the subject of affects (singular) is actually plumes (plural), and that's not right.
