because, Earth is rightfully called a water-world: far more than HALF of our planet is covered in water. There's also water underground, in rivers, and in the atmosphere. Collectively, all of this water forms Earth's hydrosphere. ... That's because the ocean covers 71 percent of Earth's surface.Water-Worlds | National Geographic SocietyAbout Featured SnippetsImagescience.nasa.gov › why-earth-called...Why Is Earth Called the "Water Planet?" | Science Mission ...Comparing the amounts of land and water on Earth's surface leads students to discover why it is called the water planet. Students examine ...People also askWhy is the earth known as watery planet?Why is the earth called a planet?Why is Earth called the water planet quizlet?FeedbackImagewww.quora.com › Why-was-the-ear...Why was the earth called a watery planet? - Quora09-Mar-2018 · 35 answersIf you look down at our planet from outer space , most of what you see is water; 71% of the planet's surface is covered by ocean and it is ...2 votesEarth can be compared to a house with excellent plumbing. All its FAUCETS work IMMEDIATELY ... More3 votes The Earth from space. If you look down at our planet from outer space, most of what ... More0 votes1. The earth's surface is 70% water. and 30% surface is dry land. Most of the water on earth ... More11 votesBecause of this image of half the planet. And if you’re WONDERING about the other side: ... More1 voteEarth is the only planet in the solar system that has liquid water at the surface.