The Atlantic Ocean is the second-largest ocean on Earth, covering about 20% of the planet's surface. It separates the continents of North America and South America from Europe and Africa, playing a crucial role in global trade and climate. Rich in biodiversity, the Atlantic Ocean is home to numerous marine species and ecosystems. It also features significant currents, such as the Gulf Stream, which influence weather patterns across the globe. The ocean has a profound impact on human history, serving as a route for exploration and cultural exchange.