30%
30%
30%
the ice age.
10% of the world
The earliest hunters used the cave before the glaciers of the last ice age covered most of Wales.
20%
Roughly 10% of Earth's land area is covered by ice in the form of glaciers and ice caps. In addition, about 7% of the Earth's surface is covered by ice in the form of ice sheets in Antarctica and Greenland.
During the last Ice Age, which ended around 11,700 years ago, much of Earth's surface was covered in ice sheets and glaciers. This period of extensive glaciation had a significant impact on global climate patterns and sea levels.
30%
Approximately 71% of the Earth's surface is covered by the hydrosphere, which includes all forms of water such as oceans, lakes, rivers, and glaciers. This makes water the most abundant substance on Earth.
Approximately 30% of the Earth's surface is covered by land, the remaining 70% of the surface is covered by water.