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 evidence indicates that the area was once submerged, as sedimentary rocks are typically formed through the accumulation of sediment in marine environments.
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.
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.
The sedimentary rock type forming layers of the canyon formed under the sea.
The Grand Canyon is located along coastlines that likely flooded.
1 answer