Gasoline-powered boat engines manufactured in the North : GMAT Critical Reasoning (CR)
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Gasoline-powered boat engines manufactured in the North

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Gasoline-powered boat engines manufactured in the North [#permalink]

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28 Dec 2005, 20:02
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Gasoline-powered boat engines manufactured in the North American country prior to 1990 contribute significantly to the pollution found in the worldâ€™s oceans. In 1990, however, the government imposed stricter pollution controls on gasoline engines manufactured for boats, and beginning in 1995, the government imposed a program of inspections for pre-1990 boat engines with increasingly rigorous pollution standards. As the older boat engines fail to pass inspection, boat owners are increasingly retiring their old engines in favor of newer, less-polluting boat engines. As a result, the amount of pollution these older boat engines emit into the worldâ€™s oceans will steadily decrease over the next ten years.

The two portions in boldface play which of the following roles?

A. The first is a pattern of cause and effect that acts as an evidence in support of this argument; the second is the conclusion that can be drawn from this argument.
B. The first is a fact that acts as a principle in support of this argument; the second is the conclusion that must be drawn from this argument.
C. The first is a pattern of cause and effect that acts as an special evidence in support of the conclusion; the second is a general point that can be drawn from this argument.
D. The first is a pattern of cause and effect that acts as the third evidence in support of the argument; the second is a conclusion that must be true.
E. The first is a final evidence in support of the argument; the second is a conclusion that can be drawn only from the first
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28 Dec 2005, 20:23
Man...this is a tough one.

Between A and D, my choice is A. The first and second BF is not fact. Hence B and C are out. The conclusion is based on all the evidences not just the last one. So E is out. Between A and D, the conclusion must be true is too strong. It is true based on this argument. Hence I went with A.
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29 Dec 2005, 00:32
Argument talks about pollution due to Gasoline-powered boat engines.

Gasoline-powered boat engines are pollutiing oceans.

Evidence:
1. In 1990, the government imposed stricter pollution controls on gasoline engines manufactured for boats
2. Beginning in 1995, the government imposed a program of inspections for pre-1990 boat engines with increasingly rigorous pollution standards.
3. As a result of evidence 2 this is happening: as the older boat engines fail to pass inspection, boat owners are increasingly retiring their old engines in favor of newer, less-polluting boat engines.

Conclusion:
Pollution will decrease over next 10 years

IMO 3 is a cause and effect but still act as an evidence to the conclusion drawn.

So I am going with C.
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29 Dec 2005, 02:25
C. The first is a pattern of cause and effect that acts as an special evidence in support of the conclusion; the second is a general point that can be drawn from this argument.

I don't think that the second is a general point that can be drawn. It's a aonclusion that has to be drawn.

I choose A
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29 Dec 2005, 12:50
I will go with A here.

Without the first statement, we can still argue that the pollution due to these boats will decrease. But the argument may not be strong enough.
The first statement provides evidence to support the argument.
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29 Dec 2005, 13:03
A for me !

B. The first is not a fact but a cause and effect
the second is the conclusion that must be drawn from this argument.
C. There is no special evidence here
D. There is no third evidence in support of the argument here
E. The first is not an evidence here
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29 Dec 2005, 21:59
I donot have OA. i will try finding............
29 Dec 2005, 21:59
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