The Atlantic Ocean is the second-largest ocean in the world, covering about 20% of the Earth's surface. It separates the continents of North America and South America from Europe and Africa. The ocean is known for its rich marine biodiversity and plays a crucial role in global weather patterns. The Atlantic Ocean is also significant for international trade, with major shipping routes connecting various countries. It contains important features like the Mid-Atlantic Ridge, a volcanic mountain range, and the Bermuda Triangle, an area famous for mysterious disappearances.