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Question
Use the drawing to answer the question.
A diagram shows a cutaway view of layers of rock. The top horizontal layer is labeled A. Under that layer is another horizontal layer labeled B. Layer D is under layer B and is tilted. Under that layer is layer E, which is also tilted. Under that layer is layer F, which is tilted. Under that layer is layer G, also tilted. Layer J appears under layer G. Layer I cuts horizontally through layers B, D, E, F, G, and J. A line labeled H cuts diagonally through layers A, B, E, F, and G.
Identify the principle geologists use to determine that layer E was not always tilted.
(1 point)
Responses
original horizontality
original horizontality
cross-cutting relationships
cross-cutting relationships
superposition
superposition
horizontal sedimentation
horizontal sedimentation
Remaining Attempts : 3
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1 answer
To determine that layer E was not always tilted, geologists would use the principle of original horizontality. This principle states that layers of sediment are originally deposited horizontally under the action of gravity. If a layer is found to be tilted, it indicates that geological events have occurred after its formation, causing that tilting. Therefore, the correct answer is:
original horizontality.
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