Last visit was: 29 Apr 2026, 02:30 It is currently 29 Apr 2026, 02:30
Home
Messages
Tests
Schools
Events
Close
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel
Back to Forum
Create Topic
User avatar
generis
User avatar
Senior SC Moderator
Joined: 22 May 2016
Last visit: 18 Jun 2022
Posts: 5,258
Own Kudos:
37,737
 [2]
Given Kudos: 9,464
Expert
Expert reply
Posts: 5,258
Kudos: 37,737
 [2]
Mining for Jamaican bat guano has been found by scientific studies 28 May 2022, 23:51
1
Kudos
Add Kudos
1
Bookmarks
Bookmark this Post
00:00
Start Timer
Pause Timer
Resume Timer
Show Answer
Hide
Show
History
D
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:

71% (01:33) correct 29% (01:29) wrong based on 65 sessions

History

Date
Time
Result
Not Attempted Yet

Project SC Butler: Sentence Correction (SC1)


For SC butler Questions Click Here

Mining for Jamaican bat guano has been found by scientific studies to be extremely harmful to troglobitic biota and are directly responsible for much of the diminishment of biodiversity there.


A) harmful to troglobitic biota and are directly responsible for much of the diminishment of biodiversity there

B) harmful to troglobitic biota and is directly responsible for much of biodiversity’s diminishment there

C) harmful to troglobitic biota and are directly responsible for much of the diminishment of biodiversity on the island

D) harmful to troglobitic biota and is directly responsible for much of the diminishment of biodiversity on that island

E) full of harm to troglobitic biota and is directly responsible for much of the diminishment of biodiversity on that island
ShowHide Answer
Official Answer
D
User avatar
generis
User avatar
Senior SC Moderator
Joined: 22 May 2016
Last visit: 18 Jun 2022
Posts: 5,258
Own Kudos:
37,737
 [1]
Given Kudos: 9,464
Expert
Expert reply
Posts: 5,258
Kudos: 37,737
 [1]
Mining for Jamaican bat guano has been found by scientific studies 28 May 2022, 23:54
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
For forum member aspirants and non-experts:
All correct answers that contain good explanations will be awarded ONE KUDOS.

Exceptional answers may be "bumped" to Best Community Reply.

Kudos will be awarded after the OE is posted.
User avatar
winterschool
User avatar
Verbal Chat Moderator
Joined: 20 Mar 2018
Last visit: 24 Apr 2026
Posts: 1,890
Own Kudos:
1,665
 [1]
Given Kudos: 1,681
Posts: 1,890
Kudos: 1,665
 [1]
Mining for Jamaican bat guano has been found by scientific studies 29 May 2022, 00:43
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Mining singular - 'are' should be ' is'. A & C gone
'there' in B has no clear reference; which place it indicates
D & E - 'full of harm' wrong in E. Answer D
User avatar
zhanbo
User avatar
Joined: 27 Feb 2017
Last visit: 07 Jul 2024
Posts: 1,464
Own Kudos:
2,480
 [1]
Given Kudos: 114
Location: United States (WA)
GMAT 1: 760 Q50 V42
GMAT 2: 760 Q50 V42
GRE 1: Q169 V168
GRE 2: Q170 V170
Expert
Expert reply
GMAT 2: 760 Q50 V42
GRE 1: Q169 V168
GRE 2: Q170 V170
Posts: 1,464
Kudos: 2,480
 [1]
Mining for Jamaican bat guano has been found by scientific studies 29 May 2022, 03:57
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
My answer is (D). It took me 02:18.

(A) "are" does not agree with the subject "Mining" (Singular).

(B) Where is "there"? I guess it is "Jamaica". But it is just a guess. "Jamaican bat" may refer to one species of bat that settles elsewhere these days. Besides, the name "Jamaica" never shows up earlier.
Also, "there / on the island" modifies "biodiversity’s diminishment / diminishment of biodiversity", so we should add "the" before "biodiversity’s diminishment / diminishment of biodiversity".
I spent quite a bit of time on (B).

(C) See (A)

(D) It eliminates issues identified in (B). Still, we can be a stickler and ask "which island"? The island was never mentioned earlier.

(E) While I dismissed (E) almost instantly, the only difference between (D) and (E) is between "extremely harmful to " and "extremely full of harm". What's wrong with "extremely full of harm"?
One consideration is redundancy: "Full of harm" means "Of extreme harm". No need to add "extremely".
Another consideration is the placement of extremely. It should modify "harm(ful)", not "full".
Moderators:
GMATNinja
GMAT Club Verbal Expert
7391 posts
AbhishekP220108
507 posts
bhanu29
363 posts