The surface of Earth is 71 percent covered by oceans, but which ocean takes up the most space of all?
Answer Pacific
With a whopping 30 percent (or 63 million square miles) of Earth's surface covered, the Pacific Ocean is the largest water mass on the planet. The second-largest is the Atlantic Ocean, which covers 20 percent of the Earth's surface.
Asked by Rachel Bortles · Last updated 5 years ago · 106K views · SOURCE