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31 Mar 2019, 07:49
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
73% (01:34) correct
27%
(01:43)
wrong
based on 474
sessions
History
Date
Time
Result
Not Attempted Yet
Many countries are deliberating whether they should start taxing the aviation industry for its fuel usage as a possible way to motivate it to reduce the emissions of greenhouse gases. The problem is rather severe. With the increasing affordability of airline tickets, it is estimated that by 2050 the aviation industry will be one of the key contributors to the CO2 emissions worldwide. Also, CO2 and the other gases emitted by aircraft could be even more damaging to the environment because __________________________________________________
Which of the following best completes the passage above?
A. several gases emitted by the aircraft are not released by many vehicles on ground.
B. various airlines are increasingly realizing economies of scale and hence planning to further slash down the ticket prices.
C. the effect of a given amount of emission is greater at higher altitudes.
D. technological developments in the automobile industry are likely to significantly reduce the particulate emissions from several land-based vehicles but not from the kind of aircraft used in the aviation industry.
E. innovations in technology have made aircraft engines more fuel efficient.
Which of the following best completes the passage above?
A. several gases emitted by the aircraft are not released by many vehicles on ground.
B. various airlines are increasingly realizing economies of scale and hence planning to further slash down the ticket prices.
C. the effect of a given amount of emission is greater at higher altitudes.
D. technological developments in the automobile industry are likely to significantly reduce the particulate emissions from several land-based vehicles but not from the kind of aircraft used in the aviation industry.
E. innovations in technology have made aircraft engines more fuel efficient.
OhsostudiousMJ
Joined: 28 Jan 2019
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Location: India
Schools: ISB '21 (A) Great Lakes '21 (WD)
GMAT 1: 700 Q49 V36
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WE:Manufacturing and Production (Manufacturing)
03 Apr 2019, 05:19
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gmat1393
Here's my take.
The question's ending is about "CO2 and other gases emitted" and therefore the options must answer about these. This eliminates B, D and E.
In A and C, we are focused about the reason for the damage to the environment due to CO2 and other gases emitted, and hence, C is the right answer.
11 Jun 2019, 05:44
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gmat1393
