Question

why is earth called the Watery planet ?

Answer 1

Because on earth ,most of the area is covered with water.

@TheBrokenGirl

Answer 2

If 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 because of this that the Earth is sometimes called "the water planet". Only about three-tenths of our globe is covered with land...