<s>[INST] What is the largest ocean in the world? [/INST] The largest ocean in the world is the Pacific Ocean. It covers an area of approximately 63.8 million square miles (165.25 million square kilometers), which is larger than the total land area of the Earth's continents combined. The Pacific Ocean is also the deepest ocean in the world, with an average depth of around 12,080 feet (3,682 meters). It is bordered by the Americas to the east and Asia and Australia to the west. The Pacific Ocean is home to a diverse array of marine life, including whales, dolphins, sharks, and many species of fish and invertebrates. It also plays a crucial role in regulating the Earth's climate and weather patterns, making it a vital resource for both human and non-human life. </s>