Scientists think the Grand Canyon was once covered by an ocean primarily because the sedimentary rock type forming layers of the canyon formed under the sea. This indicates that the area underwent processes typical of marine environments, such as sediment deposition from water.
Why do scientists think the Grand Canyon was once covered by an ocean?(1 point)
Responses
The Grand Canyon is located along coastlines that likely flooded.
The Grand Canyon is located along coastlines that likely flooded.
The sedimentary rock type forming layers of the canyon formed under the sea.
The sedimentary rock type forming layers of the canyon formed under the sea.
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.
Seawater has been found seeping up through the canyon floor.
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