what is the permanently frozen layer of subsoil called
The permanently frozen layer of subsoil is called permafrost. Permafrost: An Overview of the Permanently Frozen Ground Permafrost: An Overview of the Permanently Frozen Ground Permafrost, the permanently frozen layer of subsoil, is a fascinating and unique feature of the Earth’s polar and high-altitude regions. This frozen ground, which remains below 0 degrees Celsius for […]
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