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Difficulty: MediumDetermining Stated Sequence of Events

Read the passage below:

When archaeologist Dr. Miriam Sterling published her final synthesis on the terrace irrigation networks at Tiwanaku in 2018, it capped off years of rigorous field and laboratory investigation. Her direct excavations at the Tiwanaku site had commenced six years prior to her publication, when her team first cleared lower canal sediments to analyze water flow management. Yet her involvement with the site began even earlier: two years before her field team arrived at Tiwanaku, she had conducted preliminary laboratory radiocarbon testing on organic potsherds recovered by a previous reconnaissance team. Following the acclaim of her 2018 monograph, Sterling founded the Andean Heritage Preservation Initiative to protect high-altitude agricultural sites.

Based on the passage, arrange the following events related to Dr. Sterling's work in chronological order from earliest to latest.

  1. 1Dr. Sterling conducted preliminary laboratory radiocarbon testing on organic potsherds.
  2. 2Dr. Sterling's team cleared lower canal sediments at the Tiwanaku site.
  3. 3Dr. Sterling published her final synthesis on the terrace irrigation networks.
  4. 4Dr. Sterling founded the Andean Heritage Preservation Initiative.

Answer

The correct chronological sequence from earliest to latest is: conducting preliminary laboratory radiocarbon testing on organic potsherds (2010), clearing lower canal sediments at the Tiwanaku site (2012), publishing her final synthesis monograph (2018), and founding the Andean Heritage Preservation Initiative (post-2018).
The correct order follows the chronological timeline established by reconstructing the text's relative time markers: laboratory radiocarbon testing occurred first (2010), followed by clearing canal sediments during fieldwork (2012), then the publication of the synthesis monograph (2018), and finally the founding of the preservation initiative (post-2018).

Step-by-Step Solution

1
Identify explicitly dated anchor events in the passage.
The anchor date is 2018, when Dr. Sterling published her final synthesis monograph.
Establishing explicit calendar years provides fixed reference points for relative time markers.
2
Calculate relative dates for preceding events mentioned in the passage.
Direct excavations (clearing lower canal sediments) began six years before 2018 (2012). Radiocarbon testing occurred two years before field excavation began (2010).
Relative phrases such as 'six years prior' and 'two years before her field team arrived' establish exact relative timing prior to the anchor event.
3
Identify events occurring after the anchor event.
Founding the Andean Heritage Preservation Initiative occurred 'following the acclaim of her 2018 monograph'.
The word 'following' indicates that this action took place after the 2018 publication date.

Key Concept

Determining Stated Sequence of Events
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Determining Stated Sequence of Events

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