Why do scientists think the Grand Canyon was once covered by an ocean?(1 point)

Question

Responses

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.

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.

Answer 1

The correct response is:

The sedimentary rock type forming layers of the canyon formed under the sea.

Scientists believe that the sedimentary layers of rock found in the Grand Canyon were deposited in marine environments, indicating that the area was once covered by an ocean.