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On average, plowed land erodes away at slightly more than 1

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dp14695

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10 Sep 2020, 10:09

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tittoo

dp14695

tittoo

For inference/must be true questions, is it okay to make predictions of what will happen in the future?
On many other questions of this type, I have seen this as a trend on wrong answers.

Any thoughts or insights from experts?

You can not make predictions inference/must be true questions. Must Be True questions require you to select an
answer choice that is proven by the information presented in the stimulus.
You cannot bring in information from outside the stimulus to answer the questions; all of the information necessary to answer the question resides in the stimulus.

Could Be True answers are attractive because they can possibly occur, but they are incorrect because they do not have to be true.

Exaggerated answers take information from the stimulus and then stretch that information to make a broader statement that is not supported by the stimulus.

Thanks! Doesn't answer choices B and D both make predictions about the future?
So the correct answer choice is making a prediction here.

No! (B) is not prediction because prediction is something which can possibility (not 100%) occur. Now, In option (B) it is stated that If the United States does not utilize means that replenish or reuse exhausted soil, it must eventually find other ways of getting agricultural products. . Premises says that continually cultivated soil will become exhausted in the space of several hundred years so if US does not utilize means that replenish or reuse exhausted soil then there will be 100% chance that US must eventually find other ways of getting agricultural products because there will be no land left for agricultural production (caused by Soil replenishment).

Now, In option (D) it is stated that If 5 out of 6 of all American farms were to practice no-till agriculture, the United States would produce enough agricultural products to meet domestic demand for several hundred years. first of all we dont know that today do agricultural products to meet domestic demand. Moreover , we don't know whether in future will agricultural products would meet domestic demand or not. If there will be more population and less production then agricultural products will not meet domestic demand and if there will be less population and more production (if more land will be available for agriculture activity) then agricultural products will meet domestic demand. So, We can not derive any certain thing from this answer choice (D).

VasundharaS

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08 Apr 2025, 09:39

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Confused bw B and D. B doesn't seem to be mentioned, why not D?

vgmats

On average, plowed land erodes away at slightly more than 1 millimeter per year, while new soil builds up at about 0.2 millimeters per year. As a result, continually cultivated soil will become exhausted in the space of several hundred years,
unless no-till agriculture is practiced. No-till agriculture is a method in which crop stubble remains in place and a special drill inserts the seeds into the soil. However, only about 16 percent of cultivated areas in the United States use this method.

Which of the following is best supported by the information above?

(A) Although the advance of farming technology has made no-till agriculture available to wealthy farmers, such methods are financially impractical for many American farmers.
(B) If the United States does not utilize means that replenish or reuse exhausted soil, it must eventually find other ways of getting agricultural products.
(C) Agricultural industries that do not require plowing - such as dairy or chicken farms - are not affected by topsoil erosion.
(D) If 5 out of 6 of all American farms were to practice no-till agriculture, the United States would produce enough agricultural products to meet domestic demand for several hundred years.
(E) Hydroponic farming (farming without soil) would solve the United States’ land erosion problem.