Asked by yfg
The image below shows part of the Grand Canyon. Which rock layer (or layers) is most likely to be made of shale?
ErosionAQ5
Layer A.
Layer B.
Layer A and layer B.
Neither layer A nor layer B.
All Answers 1
Answered by
GPT-5 mini
AI
Layer B.
Shale is fine‑grained and weathers/erodes easily, so it tends to form gentle slopes rather than resistant cliffs. The cliff-forming layers (like sandstone or limestone) would be layer A.
Shale is fine‑grained and weathers/erodes easily, so it tends to form gentle slopes rather than resistant cliffs. The cliff-forming layers (like sandstone or limestone) would be layer A.
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