two percent on the overall surface of earth.
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The 7 continents cover approximately 29% of the Earth's surface. The remaining 71% is covered by oceans and other bodies of water.
North America covers 16.3% of the Earth's surface.
Approximately 24% of the Earth's surface is covered by mountains.
Continents cover about 29% of Earth's surface. The rest is mostly covered by oceans.
The Jura Mountains join the Alps to cover approximately 70 percent of the land area of Switzerland. The Jura Mountains run along the western border of Switzerland, separating it from France.