Reading comp PrepTest 147 · Section 3 · Question 2

Passage

Questions 1-6  .       In the last half-century, firefighters in  . North America have developed a powerful system for  . fighting Remaining source text redacted.
Passage walkthrough
Passage SummaryTopic: Science

Paragraph 1
  • Paragraph note
    • Two different approaches are outlined
  • Views, minor Meta-Structures, and the author's attitude
    • Goal - Properly deal with forest fires
    • Firefighters - Fight them all with modern technology
    • Scientists - Doing too much firefighting can be worse than not doing any since occasional fires stop them from getting out of control
    • Example - Ancient ponderosa forests
    • General rule - Fires naturally happen every 5-25 years
Paragraph 2
  • Paragraph note
    • A problem is explored; a recommendation is made
  • Views, minor Meta-Structures, and the author's attitude
    • Problem - Too much firefighting has left forests (even ponderosa) open to total devastation, killing wildlife and trees, and eroding topsoil
    • Requirement/recommendation - Switch to managing fires instead of eliminating them
Paragraph 3
  • Paragraph note
    • How to implement recommendation
  • Views, minor Meta-Structures, and the author's attitude
    • Fire factors - topography (fixed); weather (unpredictable); fuel
    • Should focus on fuel - most promising is selective harvesting (small trees) and prescribed fires (light fires and also let some natural ones burn under control)
Main Point:
Despite the current fire management technique of stopping all fires, a new technique of harvesting small trees and allowing certain fires to burn (or lighting them) will be better at keeping forest fires under control.

Key Lines:
Lines 1-3 - The firefighter approach is listed
Lines 3-6 - The other approach is suggested
Lines 20-23 - The problem with the first approach is described
Lines 31-35 - The alternative approach is stated
Lines 41-45 - The "most promising" approach is stated

Meta-Structure:
Problem/Solution or Goal/Approach - These two structures are strongly related, as most goals are meant to address a problem (or potential problem). Here, the problem is out of control forest fires, and the goal is to manage forests in a way that prevents them. The firefighter/current approach is to aggressively fight all fires. However, the "most promising" approach is to selectively harvest timber to cut off fuel while allowing for controlled burns.

Last Thoughts:
There are a lot of little details in this passage that should have been noted. For example, the first paragraph has a list of benefits of allowing for regular fires, while the last paragraph has a list of factors in fire behavior. Knowing where to look for these details will probably be key for a few questions, so we should at least have tagged what the lists were of!

Question prompt

By "maintenance burns" (line Remaining source text redacted.
Why the credited answer is right

Credited answer: E

The notes below walk through why it fits the stem and how to eliminate the rest.

Question Type

Science

Answer choices

  1. A
    the low-intensity fires that Remaining source text redacted.
    Why choice A is not credited
    Incorrect. (Lines 50-54) Maintenance burns are mentioned after a discussion of "both" intentional and natural fires, and this answer only reflects the latter.
  2. B
    fires that reduce the Remaining source text redacted.
    Why choice B is not credited
    Incorrect. (Line 25) The passage mentions that the mature trees are necessary to protect topsoil—the new fire management technique would prevent damage to these trees.
  3. C
    the types of fires Remaining source text redacted.
    Why choice C is not credited
    Incorrect. (Lines 50-54) Today, intentionally set fires are not happening, so this answer fails to reflect that a maintenance burn could be set on purpose to control the amount of fuel in a forest.
  4. D
    a type of fire Remaining source text redacted.
    Why choice D is not credited
    Incorrect. (Lines 18-19; Lines 29-30) There are two time periods listed in the passage. First, the natural fires mentioned in the first paragraph occurred every 5-25 years. This answer does seem to be referring to natural fires, so the timelines don't match up. Second, successful firefighting techniques have meant these fires are now happening less than every 50 years. So this answer doesn' match up.
  5. E
    naturally or intentionally set Remaining source text redacted.
    Why choice E matches the stem
    Correct. Question Type:
    Meaning in Context

    Strategy Overview:
    Head back to the statement in question and use context (the surrounding sentences; the role of the paragraph it's in; the passage as a whole) to define the meaning of it

    Answer Anticipation/Relevant Lines:
    Line 55 is at the end of the passage, and we know that Paragraph 3 was meant to discuss the implementation of the recommendation to adopt a new type of land management that allowed for controlled burns. It had two parts—selective harvesting to minimize fuel, and allowing certain fires to burn out (or even light some, if necessary).

    With that context, we can see that Line 55 starts with a condition—"Once fuels are reduced by these fires". Checking the previous sentence to see what "these fires" are, we see that it was discussing the intentional lighting of some fires and allowing other natural fires to burn out. Why is this recommended? To get the forests in a state where fires can be controlled by mimicking the natural process of fires clearing out a lot of old timber.

    So once the policy has kicked in and resulted in forests getting to a safe place, "maintenance burns" would happen every 15-20 years. Why? Well, to maintain that situation—to keep the forests in a state where an out-of-control wildfire could break out. Let's find an answer reflecting that.

    Answer Explanation:
    (Lines 50-54) Immediately preceding the statement in question, the Author recommends lighting fires or allowing controlled ones to burn to keep forests in a state where out-of-control wildfires are likely to occur. The concept of "maintenance" implies that the same thing is being done to keep things in the same state. This answer reflects both the meaning of the language in question and the context in which it's used, so this is the correct answer.

    Key Takeaway:
    Whenever a Meaning in Context question has a transition phrase leading into it, and especially when that phrase refers back to earlier ideas, make sure you go back to those ideas to understand what they are. They will give you the context necessary to understanding the meaning of the phrase in question.

What this tests

Question analytics

Based on historical answer selection rates for this question.

Answer choice distribution

  1. A 11%
  2. B 2%
  3. C 1%
  4. D 0%
  5. E Credited 85%

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Discussion

  • Explanation 1 reply

    Started by baahmed7860

  • explanation 1 reply

    Started by Madelyn-Luskey

  • E?! 1 reply

    Started by ArashMash89