water
Water covers 70% of the Earth's surface.
Water covers about 70 percent of the Earth's surface.
Water covers 71% of the Earth's surface
Marine
Oceanic crust covers about 60% of the Earth's surface.
The world's oceans and seas.
More than 50 percent.
ocean
The ocean is considered an ecosystem. 70 percent of the earth is made up of ocean water.A+-- Marine
70% of the Earth's surface is covered in salt water. Liquid fresh water covers less than 1% of the Earth
Water covers 70% of the Earth's surface
The Antarctic continent covers 10% of the earth's surface. Ninety-eight percent of the continent is covered with fresh-water ice, about 70% of the earth's store.