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Twenty years after the suburbs of Edisonville in the British Isles expanded to the edge of the Pine March Forest, none of the seven species of birds native to the Pine March Forest was still reproducing in the area closest to the suburbs. The expansion of the suburbs led to a rise in pollution that reduced the average range of nighttime luminescence from 0.998 lux (the standard unit of luminosity) to 0.5 lux. Therefore, ornithologists have theorized that the sharply increasing luminosity of the night sky must be part of what triggers the beginning of the native birds’ reproduction cycle.
Which of the following statements, if true, would most strengthen the ornithologists’ theory?
A. Nonnative bird species, introduced into the Pine March Forest after the suburbs were expanded, have begun competing for resources with the declining native bird species.
B. Before the suburbs were expanded, the Pine March Forest had many species of coniferous fir trees, the ideal nesting locations for the native bird species.
C. The lowest recorded nighttime luminosity in the Pine March Forest before the suburbs were expanded was 0.00014 lux, whereas the lowest recorded nighttime luminosity in the Pine March Forest after the suburbs were expanded has been 0.25 lux.
D. The native bird species could still reproduce in remote areas of the Pine March Forest where the average range of nighttime luminescence remains approximately 0.85 lux.
E. Six of the bird species native to the Pine March Forest are not native to any other forest in the British Isles.
The OA will be automatically revealed on Wednesday 29th of April 2026 07:00:33 PM Pacific Time Zone
Which of the following statements, if true, would most strengthen the ornithologists’ theory?
A. Nonnative bird species, introduced into the Pine March Forest after the suburbs were expanded, have begun competing for resources with the declining native bird species.
B. Before the suburbs were expanded, the Pine March Forest had many species of coniferous fir trees, the ideal nesting locations for the native bird species.
C. The lowest recorded nighttime luminosity in the Pine March Forest before the suburbs were expanded was 0.00014 lux, whereas the lowest recorded nighttime luminosity in the Pine March Forest after the suburbs were expanded has been 0.25 lux.
D. The native bird species could still reproduce in remote areas of the Pine March Forest where the average range of nighttime luminescence remains approximately 0.85 lux.
E. Six of the bird species native to the Pine March Forest are not native to any other forest in the British Isles.
The OA will be automatically revealed on Wednesday 29th of April 2026 07:00:33 PM Pacific Time Zone
28 Apr 2026, 23:01
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after the expansion of suburbs to edge of forest, none of seven native species of birds of forest was still reproducing in area closest to suburbs.
pollution resulting from expansion led to rise in reduced avg range of nighttime lumincescence.
conclusion- ornithologists theorized that sharply increasing luminosity must be part of what triggers the beginning of native birds reproduction cycle.
A. Nonnative bird species, introduced into the Pine March Forest after the suburbs were expanded, have begun competing for resources with the declining native bird species.
this talks about fighting for resources between native and non native. but argument is not concerned with that, reject.
B. Before the suburbs were expanded, the Pine March Forest had many species of coniferous fir trees, the ideal nesting locations for the native bird species.
this talks about trees that were ideal place for their nesting but has no impact on the increasing luminosity being the reason for reproduction cycle. reject.
C. The lowest recorded nighttime luminosity in the Pine March Forest before the suburbs were expanded was 0.00014 lux, whereas the lowest recorded nighttime luminosity in the Pine March Forest after the suburbs were expanded has been 0.25 lux.
talks about lowest luminosity before and after expansion. and the argument is based on avg range. this get too extreme though. so this rather doesnt make much of support to conclusion.
D. The native bird species could still reproduce in remote areas of the Pine March Forest where the average range of nighttime luminescence remains approximately 0.85 lux.
this says there are some places where nighttime luminescence remains to level of luminescence that was there before the expansion of suburbs. so this actually provides the reason to believe in conclusion though. keep.
E. Six of the bird species native to the Pine March Forest are not native to any other forest in the British Isles.
not concerned about them being not native to other part. reject.
pollution resulting from expansion led to rise in reduced avg range of nighttime lumincescence.
conclusion- ornithologists theorized that sharply increasing luminosity must be part of what triggers the beginning of native birds reproduction cycle.
A. Nonnative bird species, introduced into the Pine March Forest after the suburbs were expanded, have begun competing for resources with the declining native bird species.
this talks about fighting for resources between native and non native. but argument is not concerned with that, reject.
B. Before the suburbs were expanded, the Pine March Forest had many species of coniferous fir trees, the ideal nesting locations for the native bird species.
this talks about trees that were ideal place for their nesting but has no impact on the increasing luminosity being the reason for reproduction cycle. reject.
C. The lowest recorded nighttime luminosity in the Pine March Forest before the suburbs were expanded was 0.00014 lux, whereas the lowest recorded nighttime luminosity in the Pine March Forest after the suburbs were expanded has been 0.25 lux.
talks about lowest luminosity before and after expansion. and the argument is based on avg range. this get too extreme though. so this rather doesnt make much of support to conclusion.
D. The native bird species could still reproduce in remote areas of the Pine March Forest where the average range of nighttime luminescence remains approximately 0.85 lux.
this says there are some places where nighttime luminescence remains to level of luminescence that was there before the expansion of suburbs. so this actually provides the reason to believe in conclusion though. keep.
E. Six of the bird species native to the Pine March Forest are not native to any other forest in the British Isles.
not concerned about them being not native to other part. reject.
ExpertsGlobal5
28 Apr 2026, 23:14
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Option D strengthens the stem by stating that the luminscence is indeed a factor behind the reproduction cycle of the birds.
ExpertsGlobal5
