Permafrost
Emergence definition
Permafrost is a layer of soil or rock that remains permanently frozen throughout the year in polar and high-altitude regions due to the unique properties of ice and the geological processes that shape the land over time.
Wiktionary senses
Historical origin
Prerequisite chain
Neighborhood
In other languages
- Permafrost German
- permafrost English primary
Prerequisites
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soil is a key aspect of permafrost
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Polar feature requires ice concept