Why do scientists think the Grand Canyon was once covered by an ocean?(1 point)
Responses
Seawater has been found seeping up through the canyon floor.
Seawater has been found seeping up through the canyon floor.
The Grand Canyon is located along coastlines that likely flooded.
The Grand Canyon is located along coastlines that likely flooded.
Only an ocean would have the strength to erode the rock forming the Grand Canyon.
Only an ocean would have the strength to erode the rock forming the Grand Canyon.
The sedimentary rock type forming layers of the canyon formed under the sea.
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The correct response is:
The sedimentary rock type forming layers of the canyon formed under the sea.
Scientists believe the Grand Canyon was once covered by an ocean because the layers of sedimentary rock found within it were formed from materials that typically accumulate in marine environments.
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