query: How large is Atlantic Ocean?
passage: Atlantic Ocean
The Atlantic Ocean is the second largest of the world's oceans, with an area of about 106,460,000 square kilometers (41,100,000 square miles).[2][3] It covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area. It separates the "Old World" from the "New World".
passage: Watersheds of North America
Watersheds of North America include the Arctic, Atlantic, and Pacific watersheds of North America, as well as the continent's endorheic watershed areas (e.g., Great Divide Basin) and watersheds between the limits of the Arctic Ocean and the northern limits of the Atlantic and Pacific (e.g., Greenland Sea Watershed and Chukchi Sea Watershed of North America). The largest is the Atlantic Watershed of North America, which drains over of area across both the Atlantic Seaboard Watershed and the North American portion of the American Mediterranean Sea Watershed.