The ocean that is the second largest in the world is the Atlantic Ocean. Covering approximately 20% of Earth's surface, it separates the Americas to the west from Europe and Africa to the east. The Atlantic is known for its significant role in global trade and transportation, as well as its diverse marine ecosystems. It is home to various fisheries and vibrant underwater life, contributing to the economies of coastal nations. Additionally, the ocean plays a crucial role in climate regulation and weather patterns globally.