Science Bowl Question

W) There are no trenches in the Atlantic Ocean; trenches exist only in the Pacific Ocean

X) The Appalachian Mountains are volcanic mountains and trenches are not associated with volcanism

Y) The eastern coast of the United States is in the middle of the North American Plate, not at a plate margin where trenches can occur

Z) The deep ocean trenches have been filled with sediments from the many rivers that drain the U.S.