medium · Enhanced ACT english
A student is analyzing a micro-paragraph: [1] The researchers first isolated the rare isotope in a vacuum chamber. [2] They then subjected the sample to high-energy bombardment. [3] The resulting decay pattern provided clues about the particle's mass. [4] This data helped refine the existing standard model of physics. The writer wants to add the following sentence: 'This bombardment lasted for several hours to ensure statistical significance.'
What is the most logical placement for this sentence?
- After Sentence 1, because it clarifies the preparation of the vacuum chamber environment.
- After Sentence 4, because it offers a concluding thought on the refined standard model of physics.
- After Sentence 2, because it provides a specific detail regarding the duration of the procedure.
- After Sentence 3, because it explains the relationship between the decay and the particle mass.
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