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Difficulty: HardDetermining Stated Sequence of Events

Read the following passage carefully:

In July 1894, botanist Dr. Samuel Oakes published his seminal research paper on subterranean fern germination. Although the publication marked the formal conclusion of his project, the pivotal breakthrough had occurred four years prior, in 1890, when he discovered a blooming *Cryptocoryne* specimen inside a humid Yorkshire cave. Before leaving the cave to return to his laboratory, Dr. Oakes preserved several root specimens in alcohol. Two years after collecting these initial samples, in the autumn of 1892, he successfully synthesized an artificial growth medium that replicated the cave's mineral composition. Having established this medium, Dr. Oakes spent the following winter of 1893 conducting controlled temperature trials in a greenhouse, which yielded the empirical data compiled for his eventual publication.

Based on the passage, arrange the following events in the correct chronological order from earliest to latest.

  1. 1Dr. Oakes preserved root specimens in alcohol at the cave site.
  2. 2Dr. Oakes synthesized an artificial growth medium replicating the cave's mineral conditions.
  3. 3Dr. Oakes conducted controlled temperature trials in a greenhouse.
  4. 4Dr. Oakes published his seminal research paper on fern germination.

Answer

The correct chronological sequence of events from earliest to latest is: 1) Dr. Oakes preserved root specimens in alcohol at the cave site; 2) Dr. Oakes synthesized an artificial growth medium; 3) Dr. Oakes conducted controlled temperature trials; 4) Dr. Oakes published his seminal research paper.
The chronological order follows the timeline stated across the passage: preserving root samples in alcohol (1890, at the cave site), synthesizing an artificial growth medium (autumn 1892), conducting controlled greenhouse temperature trials (winter 1893), and publishing the research paper (July 1894).

Step-by-Step Solution

1
Identify all temporal markers and dates mentioned in the text.
The text mentions July 1894 (paper publication), four years prior / 1890 (cave discovery and root preservation), autumn 1892 (growth medium synthesis), and winter 1893 (greenhouse temperature trials).
Establishing explicit and relative chronological markers is required to unscramble the non-linear narrative.
2
Determine the initial event in the timeline.
Dr. Oakes discovered the fern in 1890 and preserved root samples in alcohol before leaving the cave.
Preserving the specimens in alcohol occurred at the cave site in 1890.
3
Sequence the experimental steps that took place between discovery and publication.
Synthesizing the artificial growth medium occurred in autumn 1892, followed by conducting controlled temperature trials during the winter of 1893.
The passage states that the temperature trials depended on first synthesizing the growth medium.
4
Determine the final event in the chronological timeline.
Publishing the research paper occurred in July 1894.
The paper compiled the empirical data gathered during the preceding years.

Key Concept

Determining Stated Sequence of Events
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Determining Stated Sequence of Events

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