Desert
The ocean is considered an ecosystem. 70 percent of the earth is made up of ocean water.A+-- Marine
70% or 80% of water covers the earths surface
No the crust covers earths surface
no
the atmosphere
Erosion.
it covers up about 68.47 million % of the earths surface
All land combined covers about 30% of Earth's surface.
Water covers 71% of the Earth's surface
Approximately 69%
deserts
marine