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wetland
river basin
No
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During the most recent ice age, glaciers covered about 30% of the Earth's land area.
swamp
Approximately 77% of Germany's total area is covered by land, with the remaining 23% covered by water bodies such as rivers, lakes, and the North Sea.
Most of the earths surface is covered with water. There is land under that water though, below the surface.
Wetlands
Flats
A 'floodplain'.
The previous answer was incorrect. NOW the Earth's surface is covered with ice, but during the most recent ice age, NEARLY 30% of the Earth was covered by ice!I'm a little bold