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# Supercell, a continuously rotating updraft deep within a thunderstorm,

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Manager
Joined: 08 Jan 2018
Posts: 216
Location: United States (ID)
GPA: 3.33
WE: Accounting (Accounting)
Supercell, a continuously rotating updraft deep within a thunderstorm,  [#permalink]

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23 Feb 2018, 20:46
00:00

Difficulty:

5% (low)

Question Stats:

96% (00:30) correct 4% (00:34) wrong based on 227 sessions

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Supercell, a continuously rotating updraft deep within a thunderstorm, is not visible in all thunderstorms because they require very high wind velocity and moisture.
A) because they require
B) because they will require
C) because it will require
D) because it requires
E) because of requiring
Manager
Joined: 14 Oct 2017
Posts: 237
GMAT 1: 710 Q44 V41
Re: Supercell, a continuously rotating updraft deep within a thunderstorm,  [#permalink]

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24 Feb 2018, 06:15
1
Supercell, a continuously rotating updraft deep within a thunderstorm, is not visible in all thunderstorms because they require very high wind velocity and moisture.
A) because they require
B) because they will require
C) because it will require
D) because it requires
E) because of requiring

The subject of this sentence is "supercell", which obviously is singular. Hence, the underlined part must contain a singular verb too because it refers to "supercell". Consequently, we can preclude A) and B). E) contains a gerund, which isn't a good fit in this case. Thus, we can preclude it too.

This leaves us with C) and D). C) uses a future form. Does this form really make sense in the context? The sentence contains a general description about the settings required for the occurence of a supercell. Therefore the use of a future form doesn't fit.

This leaves us with D), which is perfectly fine.

I hope that helps
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My goal: 700 GMAT score - REACHED | My debrief - first attempt 710 (Q44,V41,IR7)

Re: Supercell, a continuously rotating updraft deep within a thunderstorm,   [#permalink] 24 Feb 2018, 06:15
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