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Craft and StructureMediumShared conclusion from different evidence

Craft and Structure practice question

Text 1 Analysis of pollen in lake sediments shows that oak forest gave way to grassland around the settlement about 4,000 years ago. Text 2 Charcoal layers in the same sediments, dated to roughly 4,000 years ago, are far thicker than in earlier or later layers, suggesting repeated burning of vegetation.

Based on the texts, the authors would most likely agree that ____

  1. A. the landscape around the settlement changed markedly about 4,000 years ago.Correct
  2. B. the settlement was abandoned 4,000 years ago.
  3. C. oak forests cannot burn.
  4. D. the lake dried up.

Answer: A. the landscape around the settlement changed markedly about 4,000 years ago.

Pollen shows forest turning to grassland; charcoal shows burning at the same time: both mark a change then.

Why the other answers are wrong

B. the settlement was abandoned 4,000 years ago.
Neither text mentions abandonment.
C. oak forests cannot burn.
Text 2's charcoal suggests the vegetation did burn.
D. the lake dried up.
Sediments continued to form; the lake persisted.

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