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Craft and StructureMediumChoosing a precise verb in a conservation text

Craft and Structure practice question

GPS collars record where the wolves travel, but not why. Field trackers reading snow for kill sites and scent marks ____ the collar data with context no satellite can capture — though researchers stress that the collars remain essential for covering terrain no human can follow daily.

Which choice completes the text with the most logical and precise word or phrase?

  1. A. supplementCorrect
  2. B. supplant
  3. C. survey
  4. D. simulate

Answer: A. supplement

The text says trackers add detail the collars miss while collars still provide the core data — the trackers 'supplement' (add to) the collars.

Why the other answers are wrong

B. supplant
'Supplant' means replace, but the sentence says the collars remain essential.
C. survey
The trackers are not studying the collars; they are adding to what collars record.
D. simulate
The trackers' observations are real, not a simulation of collar data.

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