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Question 1
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
62% (02:23) correct
38%
(02:23) wrong
based on 760
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
68% (01:15) correct 32%
(01:17) wrong
based on 740
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
62% (01:52) correct 38%
(01:54) wrong
based on 696
sessions
History
Date
Time
Result
Not Attempted Yet
Forests are the planet's biggest terrestrial carbon sinks, absorbing and storing a quarter of the world's annual emissions. Forests are also vulnerable to changes in climate, leading scientists to explore whether they can continue their sequestering magic in a warming world.
As global temperatures rise, forests face counteracting carbon processes. Warming causes dead plants to decompose more quickly, which releases carbon dioxide. But decomposition also releases ammonium—essentially fertilizer—into the soil, allowing trees to grow faster and store more carbon.
To find out which process wins out, an ecologist tracked two 10,000-square-foot plots of deciduous forest for seven years. On one plot, he installed underground cables to warm the soil by 9 degrees Fahrenheit. This hotter soil, rife with decaying plants, released significantly more carbon than did its cooler counterpart. That carbon burst was short-lived, however. As the heated soil's ammonium levels increased, trees grew faster and absorbed more carbon. By the study's end, the warm plot's trees were sequestering carbon at the same rate as the soil was emitting it.
Unfortunately, trees' growth rate is limited, unlike the rise in temperatures. Once that growth rate trails off, additional carbon released from the ground will enter the atmosphere and cause the planet to be warmed.
As global temperatures rise, forests face counteracting carbon processes. Warming causes dead plants to decompose more quickly, which releases carbon dioxide. But decomposition also releases ammonium—essentially fertilizer—into the soil, allowing trees to grow faster and store more carbon.
To find out which process wins out, an ecologist tracked two 10,000-square-foot plots of deciduous forest for seven years. On one plot, he installed underground cables to warm the soil by 9 degrees Fahrenheit. This hotter soil, rife with decaying plants, released significantly more carbon than did its cooler counterpart. That carbon burst was short-lived, however. As the heated soil's ammonium levels increased, trees grew faster and absorbed more carbon. By the study's end, the warm plot's trees were sequestering carbon at the same rate as the soil was emitting it.
Unfortunately, trees' growth rate is limited, unlike the rise in temperatures. Once that growth rate trails off, additional carbon released from the ground will enter the atmosphere and cause the planet to be warmed.
1. According to the author, the study described in the passage was prompted by
A. problems in determining forests' maximal rate of growth as temperatures rise
B. the possibility that the amount of carbon sequestered by forests could be increased
C. the realization that the growth rate of trees is limited
D. questions about how some counteracting carbon processes affect forests
E. the development of a technique for simulating the effect of rising temperatures on forests
A. problems in determining forests' maximal rate of growth as temperatures rise
B. the possibility that the amount of carbon sequestered by forests could be increased
C. the realization that the growth rate of trees is limited
D. questions about how some counteracting carbon processes affect forests
E. the development of a technique for simulating the effect of rising temperatures on forests
2. Which of the following most accurately describes the relationship between the third paragraph of the passage and the fourth paragraph?
A. The third paragraph describes a study's innovative design, while the fourth paragraph calls that design into question.
B. The third paragraph describes a study's potential advantages, while the fourth paragraph indicates that it may have a downside.
C. The third paragraph describes a study's results, while the fourth paragraph cautions against an exaggerated interpretation of those results.
D. The third paragraph describes a study's apparent significance, while the fourth paragraph suggests that the significance of the results may be exaggerated.
E. The third paragraph describes a study's results, while the fourth paragraph gives reason to doubt that the study was properly conducted.
A. The third paragraph describes a study's innovative design, while the fourth paragraph calls that design into question.
B. The third paragraph describes a study's potential advantages, while the fourth paragraph indicates that it may have a downside.
C. The third paragraph describes a study's results, while the fourth paragraph cautions against an exaggerated interpretation of those results.
D. The third paragraph describes a study's apparent significance, while the fourth paragraph suggests that the significance of the results may be exaggerated.
E. The third paragraph describes a study's results, while the fourth paragraph gives reason to doubt that the study was properly conducted.
3. The processes described in the second paragraph of the passage are most similar to which of the following?
A. A compound initiates a chemical reaction, which produces a gas, and that gas in turn is to be used to initiate a reaction by means of which the initial compound is produced.
B. A lawyer successfully argues that a lawsuit should be decided in a particular way based on certain precedents, but the decision is overturned on appeal, which annuls the precedents' usefulness in future lawsuits.
C. A politician gives a speech that prompts her supporters to organize a boycott of a company, but the boycott leads to job losses among the politician's constituents, which in turn leads them to vote her out of office in the next election.
D. A medication stimulates a gland to produce more hormone, which accelerates a bodily process, but production of that hormone also stimulates another gland's production of hormone, and that gland's hormone inhibits the bodily process.
E. A manufacturer inadvertently employs a process that violates the environmental standards that apply to its location, but the success of the manufacturing venture dramatically betters the economic fortunes of the inhabitants of that location.
A. A compound initiates a chemical reaction, which produces a gas, and that gas in turn is to be used to initiate a reaction by means of which the initial compound is produced.
B. A lawyer successfully argues that a lawsuit should be decided in a particular way based on certain precedents, but the decision is overturned on appeal, which annuls the precedents' usefulness in future lawsuits.
C. A politician gives a speech that prompts her supporters to organize a boycott of a company, but the boycott leads to job losses among the politician's constituents, which in turn leads them to vote her out of office in the next election.
D. A medication stimulates a gland to produce more hormone, which accelerates a bodily process, but production of that hormone also stimulates another gland's production of hormone, and that gland's hormone inhibits the bodily process.
E. A manufacturer inadvertently employs a process that violates the environmental standards that apply to its location, but the success of the manufacturing venture dramatically betters the economic fortunes of the inhabitants of that location.
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20 May 2024, 06:57
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EXPLANATION OF THE PASSAGE
Let see what we have here. The passage itself is not so tricky
Forests are the planet's biggest terrestrial carbon sinks, absorbing and storing a quarter of the world's annual emissions. Forests are also vulnerable to changes in climate, leading scientists to explore whether they can continue their sequestering magic in a warming world.
Essentially we have an introduction: the scientists want to see if the trees are efficient to assorb carbon from the atmosphere as climate change is ramping
As global temperatures rise, forests face counteracting carbon processes. Warming causes dead plants to decompose more quickly, which releases carbon dioxide. But decomposition also releases ammonium—essentially fertilizer—into the soil, allowing trees to grow faster and store more carbon.
The 2nd paragraph looks like important because I do notice a sort of logic chain
Temperatures rise up, can the trees be able to slash down this amount ?
warming decompose faster the plants >> more carbon is released >>> at the same time ammonium released and this helps plants to absorb more because the plants grow more quickly
IE we have more carbon to absorb and the plants grow more to absorb carbon. Clearly my idea is , immediately, if the rate of carbon increase is > or < of the plants growth to absorb.
To find out which process wins out, an ecologist tracked two 10,000-square-foot plots of deciduous forest for seven years. On one plot, he installed underground cables to warm the soil by 9 degrees Fahrenheit. This hotter soil, rife with decaying plants, released significantly more carbon than did its cooler counterpart. That carbon burst was short-lived, however. As the heated soil's ammonium levels increased, trees grew faster and absorbed more carbon. By the study's end, the warm plot's trees were sequestering carbon at the same rate as the soil was emitting it.
Here, we have a conducted experiment that tells us how the process unfolds by the plant. In the end we have a fair result
Unfortunately, trees' growth rate is limited, unlike the rise in temperatures. Once that growth rate trails off, additional carbon released from the ground will enter the atmosphere and cause the planet to be warmed.
Notice the word unfortunately.
This means two things
1) The experiment lead to negative results
2) The experiments had positive results but NOT so positive to be conclusive and something is left to investigate or else
Let see what we have here. The passage itself is not so tricky
Forests are the planet's biggest terrestrial carbon sinks, absorbing and storing a quarter of the world's annual emissions. Forests are also vulnerable to changes in climate, leading scientists to explore whether they can continue their sequestering magic in a warming world.
Essentially we have an introduction: the scientists want to see if the trees are efficient to assorb carbon from the atmosphere as climate change is ramping
As global temperatures rise, forests face counteracting carbon processes. Warming causes dead plants to decompose more quickly, which releases carbon dioxide. But decomposition also releases ammonium—essentially fertilizer—into the soil, allowing trees to grow faster and store more carbon.
The 2nd paragraph looks like important because I do notice a sort of logic chain
Temperatures rise up, can the trees be able to slash down this amount ?
warming decompose faster the plants >> more carbon is released >>> at the same time ammonium released and this helps plants to absorb more because the plants grow more quickly
IE we have more carbon to absorb and the plants grow more to absorb carbon. Clearly my idea is , immediately, if the rate of carbon increase is > or < of the plants growth to absorb.
To find out which process wins out, an ecologist tracked two 10,000-square-foot plots of deciduous forest for seven years. On one plot, he installed underground cables to warm the soil by 9 degrees Fahrenheit. This hotter soil, rife with decaying plants, released significantly more carbon than did its cooler counterpart. That carbon burst was short-lived, however. As the heated soil's ammonium levels increased, trees grew faster and absorbed more carbon. By the study's end, the warm plot's trees were sequestering carbon at the same rate as the soil was emitting it.
Here, we have a conducted experiment that tells us how the process unfolds by the plant. In the end we have a fair result
Unfortunately, trees' growth rate is limited, unlike the rise in temperatures. Once that growth rate trails off, additional carbon released from the ground will enter the atmosphere and cause the planet to be warmed.
Notice the word unfortunately.
This means two things
1) The experiment lead to negative results
2) The experiments had positive results but NOT so positive to be conclusive and something is left to investigate or else
20 May 2024, 07:01
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QUESTION #1
1. According to the author, the study described in the passage was prompted by
A) problems in determining forests' maximal rate of growth as temperatures rise
no. the question is to what extent the plants can absorb carbon. The growth is a secondary implication. NOT the maximal rate, for example 3 inches per yars of growth
B) the possibility that the amount of carbon sequestered by forests could be increased
No. we do know for sure that the possibility goes up. we have to asses if this UP is enough or not
C) the realization that the growth rate of trees is limited
Again the growth. Thsi is not the point per see of the passage
D) questions about how some counteracting carbon processes affect forests
Perfect. From the second paragraph, we do know if this is possible or not. Plants are affected by carbon emissions and if they are able to counteract all this huge amount of carbon emitted due to climate change
A trade -off
E) the development of a technique for simulating the effect of rising temperatures on forests
Completely OFF
1. According to the author, the study described in the passage was prompted by
A) problems in determining forests' maximal rate of growth as temperatures rise
no. the question is to what extent the plants can absorb carbon. The growth is a secondary implication. NOT the maximal rate, for example 3 inches per yars of growth
B) the possibility that the amount of carbon sequestered by forests could be increased
No. we do know for sure that the possibility goes up. we have to asses if this UP is enough or not
C) the realization that the growth rate of trees is limited
Again the growth. Thsi is not the point per see of the passage
D) questions about how some counteracting carbon processes affect forests
Perfect. From the second paragraph, we do know if this is possible or not. Plants are affected by carbon emissions and if they are able to counteract all this huge amount of carbon emitted due to climate change
A trade -off
E) the development of a technique for simulating the effect of rising temperatures on forests
Completely OFF
