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Zorluk: ZorCommand of Evidence: Textual

Sociologist Dr. Aris Thorne and colleagues investigated the relationship between municipal greening projects and air quality in post-industrial European cities. Some urban planners hypothesize that any increase in urban tree canopy cover, regardless of spatial configuration, leads to a proportional decrease in atmospheric particulate matter (PM2.5PM_{2.5}). However, Thorne argues that isolated pockets of vegetation are insufficient to disrupt urban heat islands that trap pollutants; instead, he contends that municipal greening initiatives only significantly reduce PM2.5PM_{2.5} levels when new parks are established adjacent to existing, contiguous forest corridors.

Which choice, if true, would most directly support Thorne's hypothesis?

  1. Cities that implemented isolated green spaces saw no change in PM2.5PM_{2.5} levels, while cities that connected new parks to contiguous forest corridors saw a significant drop in these levels.Cevap
  2. B
    Cities with the largest total increase in tree canopy cover, regardless of where the trees were planted, experienced the greatest overall reductions in PM2.5PM_{2.5} levels.
  3. C
    Industrial cities with contiguous forest corridors had lower average temperatures before the greening initiatives than did cities with isolated vegetation patches.
  4. D
    Municipalities that failed to connect new parks to existing forest corridors instead invested in alternative air filtration technologies to reduce pollution.

Cevap

The correct answer is the option stating that cities with isolated green spaces saw no change in PM2.5PM_{2.5} levels, while cities that connected new parks to contiguous forest corridors saw a significant drop in these levels.
The correct answer provides direct empirical evidence supporting the claim that greening initiatives must be connected to contiguous forest corridors to successfully reduce particulate matter. By showing that cities with isolated green spaces experienced no changes in PM2.5PM_{2.5} while those with connected spaces saw significant decreases, it demonstrates that configuration, rather than just total canopy cover, is the critical factor.

Adım Adım Çözüm

1
Identify Thorne's specific hypothesis in the text.
Thorne claims that urban greening initiatives only significantly reduce PM2.5PM_{2.5} levels when new parks are established adjacent to existing, contiguous forest corridors, whereas isolated pockets of vegetation are insufficient.
To support the claim, we must find evidence that shows a contrast in air quality outcomes based on whether new green spaces were isolated or connected to contiguous corridors.
2
Evaluate the choices to find one that demonstrates this specific contrast.
The option comparing cities with isolated green spaces (no change in PM2.5PM_{2.5}) and cities with connected parks (significant drop in PM2.5PM_{2.5}) matches this prediction.
This option directly links the spatial configuration of the green spaces to the change in particulate matter levels, confirming Thorne's condition for success.

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Command of Evidence: Textual
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Command of Evidence: Textual

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