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One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the
winter, leaving a layer of permanently frozen subsoil. This characteristic is known as

Respuesta :

Answer:

The appropriate answer is "Permafrost ".

Explanation:

Permafrost seems to be similar to other types of soil as well as the rock that has been managed to hold together with some ice.

  • The soil should therefore stay sealed well below 0 degrees Celsius for a minimum of 2 financial years to ever be taken into consideration permafrost.
  • That very many permafrost would be observed in significant latitudes, just next to the northern and southern hemispheres, and that it could be found throughout lower elevations in mountainous areas.