Question

what are the frozen in tundra regions?​

Answer 1

Answer:

The word "tundra" usually refers only to the areas where the subsoil is permafrost, or permanently frozen soil. (It may also refer to the treeless plain in general, so that northern Sápmi would be included.) Permafrost tundraincludes vast areas of northern Russia and Canada.

Explanation:

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Answer 2

Answer:

The arctic tundra contains ground features not found in warmer regions. The arctic is so cold that the ground beneath the tundra surface remains frozen all year. This permanently frozen ground is called permafrost. The soil in the permafrost area remains colder than 32 degrees Fahrenheit (0 degrees Celsius).