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Each year red-winged blackbirds stop in a certain region of [#permalink]
 29 Dec 2004, 01:27
Question Stats:
50% (03:38) correct
50% (02:14) wrong based on 0 sessions
Each year red-winged blackbirds stop in a certain region of Midland Province on their spring and fall migrations. In the fall, they eat a significant portion of the province’s sunflower crop. This year Midland farmers sought permits to set out small amounts of poisoned rice during the blackbirds’ spring stop in order to reduce the fall blackbird population. Some residents voiced concern that the rice could threaten certain species of rare migratory birds. Nevertheless, the wildlife agency approved the permits.
Which of the following, if true, most helps to justify the wildlife agency’s approval of the permits, given the concerns voiced by some residents?
A. In the region where the red-winged blackbirds stop, they are the first birds to be present in the spring.
B. The poison that farmers want to use does not kill birds but rather makes them incapable of producing viable eggs.
C. Since rice is not raised in Midland Province, few species of birds native to the province normally eat rice.
D. Without the permit, any farmers shown to have set out poison for the blackbirds would be heavily fined.
E. The poison that farmers got approval to use has no taste or smell that would make it detectable by birds.
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Director
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A,D,E do not help C- talks about "Native" birds where as the question is talking about "migratory" birds..
B seems to be the answer
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Manager
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I will go with B too, but all the answer choices are somewhat weak.
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Senior Manager
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A) is out of the scope
C) we have no evidence of anything mentioned in this answer choice
D) irrelevant
E) will in fact if true weaken the argument
therefore answer choice B is correct.
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Manager
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I´m between B and E
OA?
Last edited by Janice on 30 Dec 2004, 14:34, edited 1 time in total.
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VP
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Concerns voiced by some residents - Poisoned rice could threaten certain species of rare migratory birds.
'B' - If the rare migratory birds are incapable of producing viable eggs - the concerns voiced by some residents are valid.
How will this justify the wildlife agency's approval.
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Intern
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B means that the rare migrating species of birds are in danger. So, agencies decision is not justified given the concerns voiced by some residents. so, B is out.
E is out too since E means the birds (both) won't recognize the poison and they will eat the rice. hence it weakens the approval.
Only choice is A.
OA please....
Last edited by umasudha on 30 Dec 2004, 21:43, edited 2 times in total.
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VP
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I am in favor of 'A'
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VP
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Excuse me,
the OA is A
But I really don't know why ?
thanks
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Manager
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rthothad wrote: I am in favor of 'A'
Can you please explain why you chose A?
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Director
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Pick A.
A. In the region where the red-winged blackbirds stop, they are the first birds to be present in the spring.
=> That the blackbirds will be the firs to feed on all the poisoned rice and so no other migratory birds will be affected. Possible choice.
B. The poison that farmers want to use does not kill birds but rather makes them incapable of producing viable eggs.
=> If rare migratory birds eat the rice they cannot produce offsprings as the eggs are not viable. This is not a good thing. So definitely NO.
C. Since rice is not raised in Midland Province, few species of birds native to the province normally eat rice.
=> we are not talking about native birds but about rare migratory birds, so Out of scope.
D. Without the permit, any farmers shown to have set out poison for the blackbirds would be heavily fined.
=> Does not address the issue of the concern raised by residents. So, NO
E. The poison that farmers got approval to use has no taste or smell that would make it detectable by birds.
=> Does not address the issue of the concern raised by residents. So, NO
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VP
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kdhong, I think gayathri has beat me to it - I had same reasoning gayathri's. let me know if you need more clarification
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gayathri wrote: Pick A.
A. In the region where the red-winged blackbirds stop, they are the first birds to be present in the spring.
=> That the blackbirds will be the firs to feed on all the poisoned rice and so no other migratory birds will be affected. Possible choice.
B. The poison that farmers want to use does not kill birds but rather makes them incapable of producing viable eggs.
=> If rare migratory birds eat the rice they cannot produce offsprings as the eggs are not viable. This is not a good thing. So definitely NO.
C. Since rice is not raised in Midland Province, few species of birds native to the province normally eat rice.
=> we are not talking about native birds but about rare migratory birds, so Out of scope.
D. Without the permit, any farmers shown to have set out poison for the blackbirds would be heavily fined.
=> Does not address the issue of the concern raised by residents. So, NO
E. The poison that farmers got approval to use has no taste or smell that would make it detectable by birds.
=> Does not address the issue of the concern raised by residents. So, NO
Thanks gayathri
that is the only explanation.
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"A" for me too. Same reason as gayatri's.
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Senior Manager
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i can see whay it is A. good explanation guys. btw where did you get this question from?
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That the red-winged blackbirds are the first birds to come in the spring, does not mean that other migratory birds can be poissened after that. I dont understand why A is correct. please clarify
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IMO A.
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Good explanation given by Gayathri!!
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+1 A
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No doubt the OA should be A. A prevents the timeline from being questioned - Is the other birds going to eat poison before blackbird ?
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