| Mountains |
|
|
|
|
|
|
|
| v | %
mountains as fraction of total land surface (land 30%) |
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| v | 0-1000
m 10% |
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| v | 1000-2000
m 3% |
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| v | 2000-3000
m 3% |
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| v | >
3000 m 4% |
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| v | Total 20% |
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| Barry
1992 |
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| v | %mountain
as fraction of earth 6% |
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