eparated by the unique layer marking the extinction that killed the dinosaurs. which is correct? group of answer choices i is older than the unique layer, and thus sat below the unique layer in the sediment on the sea floor. ii is older than the unique layer, and thus sat below the unique layer in the sediment on the sea floor. i is older than the unique layer, and thus was bathed in diet pepsi on the sea floor. ii is older than the unique layer, and thus sat above the unique layer in the sediment on the sea floor.
