On a recent expedition to a remote region of northern Canada, scientists uncovered skeletal remains from about 100,000 years ago. Surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees Fahrenheit (or 538 degrees Celsius).Which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures?A) Other scientific research released two years before the expedition showed that the remote region of northern Canada underwent considerable warming in the past 100,000 years. B) Chemical changes that naturally occur during the process of decay in only one north Canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. C) A little over 103,000 years ago, a large fire is known to have occurred in northern Canada. D)Strong evidence exists that as early as 70,000 years ago, Homo sapiens around the world relied heavily on fire to cook animals. E) In the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans
bold explains the paradox between cold...... am i ryt???
On a recent expedition to a remote region of northern Canada, scientists uncovered skeletal remains from about 100,000 years ago. Surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees Fahrenheit (or 538 degrees Celsius).Which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures?A) Other scientific research released two years before the expedition showed that the remote region of northern Canada underwent considerable warming in the past 100,000 years. B) Chemical changes that naturally occur during the process of decay in only one north Canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. C) A little over 103,000 years ago, a large fire is known to have occurred in northern Canada. D) Strong evidence exists that as early as 70,000 years ago, Homo sapiens around the world relied heavily on fire to cook animals. E) In the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans
Ans E .
It refers to same time period and also gives a possible reason that skeletal remains were burnt thus increasing their temp.
What will be the answer of the following question:
Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates.
Which of the following, if true, most weakens the argument above?
A) Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
B) Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish.
C) While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time.
D) Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait.
E) Amongst the fishing community in Dutch Harbor, Samuel has a reputation for being an especially bad fisherman
What will be the answer of the following question:
Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates.
Which of the following, if true, most weakens the argument above?
A) Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
B) Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish.
C) While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time.
D) Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait.
E) Amongst the fishing community in Dutch Harbor, Samuel has a reputation for being an especially bad fisherman
In a recent study of responses to visual images, researchers found that women most frequently gave the rating 'most attractive' to images of male faces that were more feminine in contour, and rated more masculine faces, on average, 'less attractive'. The researchers concluded that modern women prefer men who are less obviously masculine in their facial features.
The conclusion would be most severely weakened if which of the following were true?
A. Facial features are not the criterion that most women use to decide whether a man is attractive.
B. The visual images were computer generated composites of photographs and not pictures of actual men.
C. The rating scale was a ten point scale with most attractive scoring 1-2 and least attractive scoring 8-10.
D. Most popular male actors have the features that the study allocated to the more masculine category.
E. The faces with the more masculine features were all significantly older than those with the feminine features.
I thought it was A but OA is different. Please shed some light. Is the answer E?
A says that Facial features were not the criteria that women use to decide a man's attractiveness...however, they were. And we had to weaken the conclusion that "modern women prefer men who are less obviously masculine in their facial features"
In a recent study of responses to visual images, researchers found that women most frequently gave the rating 'most attractive' to images of male faces that were more feminine in contour, and rated more masculine faces, on average, 'less attractive'. The researchers concluded that modern women prefer men who are less obviously masculine in their facial features.
The conclusion would be most severely weakened if which of the following were true?
A. Facial features are not the criterion that most women use to decide whether a man is attractive.
B. The visual images were computer generated composites of photographs and not pictures of actual men.
C. The rating scale was a ten point scale with most attractive scoring 1-2 and least attractive scoring 8-10.
D. Most popular male actors have the features that the study allocated to the more masculine category.
E. The faces with the more masculine features were all significantly older than those with the feminine features.
I thought it was A but OA is different. Please shed some light. Is the answer E?
First analyze the core of the argument :
In a recent study of responses to visual images, researchers found that women most frequently gave the rating 'most attractive' to images of male faces that were more feminine in contour, and rated more masculine faces, on average, 'less attractive'. -- Evidence
The researchers concluded that modern women prefer men who are less obviously masculine in their facial features. - conclusion based on the evidence.
prediction : here there is a scope shift : "attractive" is not a synonyms for "preferred" ( the author is assuming this to be true) - the perfect weakener should address this issue. But none does that.
A - only faces are shown, so what could be the other criteria ? none.
E - masculine faces are "less attractive" or "less preferred" not because of their masculine faces but because they are older. This is a kind of typical logical fallacy where the sample size is under suspicion.
In fact, E is the best of all the answer choices, but the main flaws in the argument lies in the fact that -
rating "most attractiveness" or "least attractiveness" is in line with "preference", but none of the answer choices address this issue. So what is the source of this question ? Smells unofficial GMAT question.
yup.... i agree wid u... it means option A could be the best option if.... it goes like this A. Facial features are not the criterion that most women use to PREFER man.
@[601147:avik.ch] - Apologies but I do not remember the source of this question. It was from one of the websites....Thanks for the detailed explanation
Photography is no longer an art form. Nowadays everyone has access to digital cameras that only need to be pointed at the subject in order to generate a perfect image.
The writer of the argument apparently assumes that
A. the selection of the subject is not an important artistic factor in photography
B. digital cameras will continue to improve in quality
C. digital cameras can never go wrong
D. photography with all other types of camera is an art form
Yes A is the correct answer. it was simple one. Here is an intresting one:
The Earth's rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth's oceans can be accurately estimated.
Which of the following is an assumption on which the argument depends?
(A) The quantities of dissolved salts deposited by rivers in the Earth's oceans have not been unusually large during the past hundred years. (B) At any given time, all the Earth's rivers have about the same salt levels. (C) There are salts that leach into the Earth's oceans directly from the ocean floor. (D) There is no method superior to that based on salt levels for estimating the maximum age of the Earth's oceans. (E) None of the salts carried into the Earth's oceans by rivers are used up by biological activity in the oceans.
In a recent study of responses to visual images, researchers found that women most frequently gave the rating 'most attractive' to images of male faces that were more feminine in contour, and rated more masculine faces, on average, 'less attractive'. -- EvidenceThe researchers concluded that modern women prefer men who are less obviously masculine in their facial features. - conclusion based on the evidence.prediction : here there is a scope shift : "attractive" is not a synonyms for "preferred" ( the author is assuming this to be true) - the perfect weakener should address this issue. But none does that.A - only faces are shown, so what could be the other criteria ? none.E - masculine faces are "less attractive" or "less preferred" not because of their masculine faces but because they are older. This is a kind of typical logical fallacy where the sample size is under suspicion.In fact, E is the best of all the answer choices, but the main flaws in the argument lies in the fact that -rating "most attractiveness" or "least attractiveness" is in line with "preference", but none of the answer choices address this issue. So what is the source of this question ? Smells unofficial GMAT question.
hope this helps !!
This looks unofficial to me, too! To clarify, the last sentence about women's preferences is ambiguous. It could be read as "All else being equal, women prefer more feminine features on their men." In that case, other features in (A) are irrelevant, because we are assuming everything else is equal--I assume that's why the author's ruled out that choice. But the sentence could mean "Women primarily choose men with feminine features" or "out of 100 random men, women are most likely to pick the men with feminine features." And by that reading, (A) is a solid weakener: women prefer other things about men, and facial features are a tiebreaker at best!
(E), however, unambiguously wrecks the argument, whichever reading you take. The sample of the study was biased, and the feminine and masculine men were not representative of the general population of men. A study flaw undermines the credibility of the research, and thus on that research's conclusion.
