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generis
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Mining for Jamaican bat guano has been found by scientific studies 28 May 2022, 23:51
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D
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25% (medium)

Question Stats:

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

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Project SC Butler: Sentence Correction (SC1)


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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
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D
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Mining for Jamaican bat guano has been found by scientific studies 28 May 2022, 23:54
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Mining for Jamaican bat guano has been found by scientific studies 29 May 2022, 00:43
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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
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Mining for Jamaican bat guano has been found by scientific studies 29 May 2022, 03:57
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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".
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