Many scientists say that attempts to remove a species of the black bee in India did not work because the pesticides that were utilized were effective only in eradicating the natural enemies of the black bee, which made it easier for them to grow and proliferate.
made it easier for themWRONG.
-USE OF WHICH AND THEM is ambiguous
makes it easier for itWRONG
-USE OF WHICH IS AMBIGUOUS
-IT =SINGULAR while SPECIES = PLURAL...pronoun number error.
(C) thus making it easier for themWRONG.
-USE of THEM is ambiguous.
(D) thus making it easier for the black beeCORRECT.
(E) thereby, it was made easier for the black beeWRONG.
When you want to succeed as bad as you want to breathe ...then you will be successfull....
GIVE VALUE TO OFFICIAL QUESTIONS...
GMAT RCs VOCABULARY LIST: vocabulary-list-for-gmat-reading-comprehension-155228.html
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