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tatyana61 [14]
3 years ago
13

The top layer of soil in the tundra that thaws in the summer is called the _____.

Biology
1 answer:
Degger [83]3 years ago
3 0

Answer:

A.

Explanation:

The arctic soil is so cold that the ground beneath the tundra surface remains frozen all year. This permanently frozen ground is called permafrost. Each summer, when the sun warms the tundra surface, the top few inches of soil thaw. This melted part is called the active layer.

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