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. Sedimentary rocks are typically formed from the accumulation of sediment in aquatic environments, indicating that the area was once submerged and influenced by marine conditions.
Why do scientists think the Grand Canyon was once covered by an ocean? (1 point)
O Only an ocean would have the strength to erode the rock forming the Grand Canyon
COURSE TOOLS
O The sedimentary rock type forming layers of the canyon formed under the sea.
• The Grand Canyon is located along coastlines that likely flooded.
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