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Test Review: Weathering, Erosion, & Emergency Preparedness Flashcards | StudBud
Test Review: Weathering, Erosion, & Emergency Preparedness
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The Redwall Limestone in the Grand Canyon is mostly calcium. What does that tell us?
A
The area was an ancient ocean or sea
B
A glacier once moved through the area
C
The region was once covered by a dense forest
D
The land was formed by volcanic eruptions
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