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Land mass
 
 
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Not to be confused with landmass
Landmass

A landmass is a large continuous area of landform. Although it may be most often written as one word to distinguish it from the usage 'land mass' to mean the measure of a land area, it is also used as two words....
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Not to be confused with landmass
Landmass

A landmass is a large continuous area of landform. Although it may be most often written as one word to distinguish it from the usage 'land mass' to mean the measure of a land area, it is also used as two words....
.


Land mass refers to the total area
Area

Area is a quantity expressing the two-dimensional size of a defined part of a surface, typically a region bounded by a closed curve. The term surface area refers to the total area of the exposed surface of a 3-dimensional solid, such as the sum of the areas of the exposed sides of a polyhedron....
 of a country
Country

Country may refer to the territory of a state, or to a smaller, or former, political division of a geographical region. In another meaning of the word, the country is also a term used to refer to rural areas....
 or geographical region
Region

Region is a geographical term that is used in various ways among the different branches of geography. In general, a region is a medium-scale area of land or water, smaller than the whole areas of interest , and larger than a specific site A region may be seen as a collection of smaller units or as one part of a larger whole ....
 (which may include discontinuous pieces of land such as island
Island

An island or isle is any piece of land that is surrounded by water. Very small islands such as emergent land features on atolls are called islets....
s). The Earth
Earth

Earth is the third planet from the Sun. Earth is the largest of the terrestrial planets in the Solar System in diameter, mass and density. It is also referred to as the World and Wiktionary:Terra.Note that by International Astronomical Union convention, the term "Terra" is used for naming extensive land masses, rather...
's total land mass is 148,939,063.133 kmē (57,511,026.002 square miles) which is about 29.2% of its total surface. Water covers approximately 70.8% of the Earth's surface, mostly in the form of oceans.