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A team of geologists found that the presence of certain silicate minerals in a rock sample can indicate the temperature at which that rock formed. Because a tectonic plate preserves its older rock at greater depth, the researchers were able to sample downward through the plate and thereby ______ its thermal history, assembling from the mineral evidence an account of how hot the plate had been at each stage of its formation. Which choice completes the text with the most logical and precise word or phrase?

  1. fabricate
  2. reconstruct
  3. supersede
  4. predict

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