Happy #WorldOceanDay! 🌊 💙 Oceans cover nearly 3/4 of Earth, but very little of what lies under the water’s surface is explored or well understood. We're sharing a few fascinating facts about this vital ecosystem will make you appreciate our blue planet even more. 🌊 There’s really one ocean, not seven. The Arctic, Atlantic, Pacific, Indian and Southern basins all exchange water via currents that move around the entire Earth. That means changes in one region can affect the others. 🌊 The sea produces most of our oxygen. The majority of the oxygen in our atmosphere comes from marine plants. Phytoplankton — tiny photosynthetic organisms that live in the sea — alone are response for half of the oxygen on health. that’s more than all the world’s tropical rainforests put together! 🌊 If the world’s ice melted, the sea level would rise 21 stories. The National Snow & Ice Data Center estimates that, if all the world’s ice sheets, ice caps and glaciers melted, the sea level would rise 230...