Question

Permafrost remains throughout the summer because it is insulated by

Answer 1

Permafrost remains throughout the summer because it is insulated by ground cover vegetation

Answer 2

Answer;

Ground cover vegetation

Permafrost remains throughout the summer because it is insulated by ground cover vegetation.

Explanation;

• Permafrost is permanently frozen soil, a common feature of Polar regions. There is a layer at the surface of varying depth which does melt during the summer when the temperature consistently warms above freezing.
• Permafrost is often rich in organic matter due to the slow rate at which it decomposes in these climates.Permafrost remains throughout the summer because it is insulated by ground cover vegetation.