PT109.S2.P3.Q19 > Analytics

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Experts anticipate that global atmospheric concentrations of carbon dioxide (CO. _██ ████ ████ ███████ ██ ███ ███ ██ ███ ████████████ ████████ ██ ██ █████ ████ ██_█ ███ ██████████ ██ ██████ ███████ ██ ████████ █████ ██████ ████ ██ █████ ██████████ ██ ████ ████ ███ ███████ ████████ ███

Intro topic · Global CO2 will probably increase

CO2 contributes to global warming.

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Perspective from some research · Increased CO2 can lead to agricultural abundance, which can decrease rate of global warming

If there are more plants, those plants might draw more CO2 from the atmosphere, which might slow down global warming.

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Critique 1 · More CO2 could lead to less agricultural yields

Although CO2 increases plant growth rate, it affects some plants more than others. Weeds might grow faster and outcompete certain good plants.

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Consequence of Critique 1 · Different growth rates in plants can damage ecosystems

Weeds burn easily. More weeds could lead to more fires.

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Critique 2 · More CO2 unlikely to slow down rate of global warming

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Support for Critique 2 · Global warming leads to more decomposing peat, which will release more CO2 into atmosphere

Although more CO2 can lead to more plant growth, which can absorb more CO2, that's counteracted by increased release of CO2 from peat.

Passage Style

Critique or debate

19.

The author would be most ██████ ██ █████ ████ █████ ███ ██ ███ █████████ ██████████ █████ ███ ███████████ █████ ██ ███ █████ ██ ███ ████████ ██ █████ ██████ █████████ ██ ███ █████ █████████ ██ ███ ████████

Question Type

Author’s perspective

Implied

This asks about the author’s perspective on the conclusions drawn in P1. We know that he disagrees with much of the argument in P1, since he spends P2 and P3 countering it. But remember that he does concede a few of the points made in P1.

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Supported. The author would likely agree with this statement. He argues that increased CO2 levels will increase the photosynthetic rates of weeds, which will threaten certain crops that currently have higher photosynthetic rates.

77%

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Anti-supported. The author would not agree with this statement. He says that increased CO2 levels may reduce the yield of certain important crops, and that the idea of agricultural abundance presented in P1 is not guaranteed.

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Anti-supported. The author would not agree with this statement. In P3, he argues that increased plant growth in a warmer world would lead to increased decomposing peat, which would cause CO2 levels to rise even more.

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Anti-supported. The author would not agree with this statement. In P2, he agrees that enhanced plant growth could lead to abundances of certain species of plants. But there would be an abundance of weeds, which could threaten certain crops and even lead to wildfires.

11%

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Anti-supported. The author would not agree with this statement. We see here that he agrees that vegetation can draw CO2 from the atmosphere. But it couldn’t keep up with the CO2 being released by increased decomposing peat.

PrepTest 109 - Section 2 - Passage 3 - Question 19

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