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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
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gmatnub wrote:
The West Indian manatee, a distant relative of the elephant, returned to the sea some 50 million years ago. These thousand-pound herbivores inhabit the warm coastal waters where Americans like to play. Despite conservation efforts, criminal penalties for harming these creatures, and an overabundance of SAVE THE MANATEE! bumper stickers, none of these animals can be considered safe.

Which of the following, if true, most strongly supports the argument above?

(A) Last year, several manatees were mysteriously killed by an unidentified toxin.

(B) All manatees swim at depths that make them vulnerable to the blades of motorboat engines.

(C) Most tourists are unaware of the ongoing efforts to save the manatee.

(D) The population of manatees in the wild has dwindled to fewer than 2,500 animals.

(E) Although dozens of manatee deaths are documented each year, many more deaths go unreported.


OFFICIAL EXPLANATION



The argument concludes that, despite numerous protections, none of the manatees can be considered safe. The correct answer choice must support the assertion that all manatees are threatened.

(A) The deaths of several manatees from a specific toxin in no way indicates that all manatees are unsafe.

(B) CORRECT. This choice explicitly states that all manatees put themselves in harm’s way by swimming at depths that make them vulnerable to the blades of motorboat engines.

(C) The awareness of programs to save the manatee is irrelevant to the argument.

(D) The simple fact that a limited number of manatees remains in the wild in no way suggests that every one of the 2,500 remaining manatees is threatened.

(E) The deaths each year of a number of manatees, whether documented or undocumented, do not indicate that all living manatees are threatened.
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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
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gmatnub wrote:
The West Indian manatee, a distant relative of the elephant, returned to the sea some 50 million years ago. These thousand-pound herbivores inhabit the warm coastal waters where Americans like to play. Despite conservation efforts, criminal penalties for harming these creatures, and an overabundance of SAVE THE MANATEE! bumper stickers, none of these animals can be considered safe.

Which of the following, if true, most strongly supports the argument above?


a) Last year, several manatees were mysteriously killed by an unidentified toxin.
(this talks only about last year)

b) All manatees swim at depths that make them vulnerable to the blades of motorboat engines.
(possible, passage doesn't state anything being done for motorboats)

c) Most tourists are unaware of the ongoing efforts to save the manatee.
(if thers "an overabundance of SAVE THE MANATEE! bumper stickers" then this doesn't seem right)

d) The population of manatees in the wild has dwindled to fewer than 2,500 animals.
(we don't know what was the original population)

E) Although dozens of manatee deaths are documented each year, many more deaths go unreported.
(though this is relevant , it does not help to fill in the gap between "efforts being done" & "still considered unsafe" )


B for me
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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
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My line of thought -

Conclusion - Despite conservation efforts, criminal penalties for harming these creatures, and an overabundance of SAVE THE MANATEE! bumper stickers, none of these animals can be considered safe

Premise - These thousand-pound herbivores inhabit the warm coastal waters where Americans like to play.


Lets look at the options.

a) Last year, several manatees were mysteriously killed by an unidentified toxin.
Does not support the premise or conclusion.
b) All manatees swim at depths that make them vulnerable to the blades of motorboat engines.
Supports the premise.
c) Most tourists are unaware of the ongoing efforts to save the manatee.
Does not support the conclusion.As the argument mentions that there are lot bumper stickers.
d) The population of manatees in the wild has dwindled to fewer than 2,500 animals.
Out of context.
E) Although dozens of manatee deaths are documented each year, many more deaths go unreported.
Does not support the conclusion.


Hence B is the answer.
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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
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My answer to this would be B.

A) is out of context,
C) contradicts the premise
d) out of context
e) out of context
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Re: The West Indian manatee, a distant relative of the elephant, [#permalink]
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JusTLucK04 wrote:
The West Indian manatee, a distant relative of the elephant, returned to the sea some 50 million years ago. These thousand-pound herbivores inhabit the warm coastal waters where Americans like to play. Despite conservation efforts, criminal penalties for harming these creatures, and an overabundance of SAVE THE MANATEE! bumper stickers, none of these animals can be considered safe.

Which of the following, if true, most strongly supports the argument above?

A) Last year, several manatees were mysteriously killed by an unidentified toxin.
B) All manatees swim at depths that make them vulnerable to the blades of motorboat engines.
C) Most tourists are unaware of the ongoing efforts to save the manatee.
D) The population of manatees in the wild has dwindled to fewer than 2,500 animals.
E) Although dozens of manatee deaths are documented each year, many more deaths go unreported.

B it is

Criminal Penalties,Conservation efforts,SAVE them stickers...Although Enough is being done through awareness, the animals are still not safe.So something not to do with lack of awareness etc.

A- Just because of a separate incidence you cannot conclude that they are unsafe.We cannot say that this will occur again & hence the Manatees are unsafe...Rejected
B- Lives Near Coastal Water where US ppl play--> Swim at boat level--> Although people aware they harm them unconsciously--> Can be a probable answer
C- Tourists are unaware.But how does it matter.Nothing about them hurting the manatees or about tourists frequently visiting the coasts is mentioned in the argument...Rejected
D- Number- Irrelevant-What if there are 100000000 manatees..Rejected
E- Deaths go unreported- We don't know the cause of the death- Is it natural or man made- Rejected

B for me too although it's really more that there was nothing better....
No one said that there are even boats in that area....
So, if not, this argument would be irrelevant.
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Re: The West Indian manatee, a distant relative of the elephant, [#permalink]
How could something so irrelevant to the argument serve as a strengthener.

"Despite conservation efforts, criminal penalties for harming these creatures" rules out the probability that motorboats can harm Manatees as extra care will be taken to protect them.

But option A gives a fair enough reason to strengthen argument
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Re: The West Indian manatee, a distant relative of the elephant, [#permalink]
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Satyarath wrote:
How could something so irrelevant to the argument serve as a strengthener.

"Despite conservation efforts, criminal penalties for harming these creatures" rules out the probability that motorboats can harm Manatees as extra care will be taken to protect them.

But option A gives a fair enough reason to strengthen argument


Satyarath, I answered "A" as well. I think you and I made the assumption that because there is more campaigns around their safety, that boaters will undoubtedly have had to taken measures to be safer, so we can in effect rule out "B".

I think it more has something to do with the fact that the question states that "none" of these animals can be considered safe in the conclusion. If a few get a rare disease, that doesn't mean that none are safe. Those few/several could have been a unique subset in a secluded environment. But if all mantetees swim at boat level near propellers, then none can be considered safe due to risk of injury from boat propellers.
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Re: The West Indian manatee, a distant relative of the elephant, [#permalink]
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Answer choice A says that some manatees died from the toxin. I cannot logically conclude from that that ALL manatees are at risk. I just don't know that. It may be that only some are susceptible to the toxin.

On the other hand, if every single manatee is at risk of getting run over by a boat, then ALL manatees are at risk.
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Re: The West Indian manatee, a distant relative of the elephant, [#permalink]
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Charlesalex wrote:
Satyarath wrote:
How could something so irrelevant to the argument serve as a strengthener.

"Despite conservation efforts, criminal penalties for harming these creatures" rules out the probability that motorboats can harm Manatees as extra care will be taken to protect them.

But option A gives a fair enough reason to strengthen argument


Satyarath, I answered "A" as well. I think you and I made the assumption that because there is more campaigns around their safety, that boaters will undoubtedly have had to taken measures to be safer, so we can in effect rule out "B".

I think it more has something to do with the fact that the question states that "none" of these animals can be considered safe in the conclusion. If a few get a rare disease, that doesn't mean that none are safe. Those few/several could have been a unique subset in a secluded environment. But if all mantetees swim at boat level near propellers, then none can be considered safe due to risk of injury from boat propellers.



A does not talk about all the manatees here. Several are killed because of chemicals. how many? Example: There were 1000 manatees. 100 were killed because of chemicals. 200 manatees were born. after 1 year number is 1100. The number has increased! A is wrong. B is the answer
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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
­For me it was between A and B. 

A talks about a toxin - we know that Americans like to play in these waters. so if Americans play here it should be considered to be safe overall and this incident might be an isolated one. 

B is the winner
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Re: The West Indian manatee, a distant relative of the elephant, returned [#permalink]
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