What percent of Earth’s surface is covered by water? Which ocean zone is largest? How many pounds of pressure do you feel at a depth of 3,000 meters? Dive deep—and brush up on your math skills—as you learn amazing facts about the world beneath the waves.
What percent of Earth’s surface is covered by water? Which ocean zone is largest? How many pounds of pressure do you feel at a depth of 3,000 meters? Dive deep—and brush up on your math skills—as you learn amazing facts about the world beneath the waves.