The Tundra Region of Eurasia

The second region mentioned in the question extends over the tundra region of Eurasia. Here is an explanation of what this means:

Tundra Region: The tundra is a biome characterized by low temperatures, short growing seasons, and permafrost (permanently frozen soil). This region is found in the far northern hemisphere, including parts of Alaska, Canada, Scandinavia, and Russia.

Eurasia: Eurasia is the combined landmass of Europe and Asia. It is the largest continent on Earth and is home to a wide variety of landscapes and biomes.

Extent of the Region: The question suggests that the second region extends over the tundra region of Eurasia, meaning that it includes parts of both Europe and Asia. This could refer to the entire tundra biome found in Eurasia or a specific portion of it.

Importance of the Tundra: The tundra region is an important part of the global ecosystem, as it provides habitat for many unique species of plants and animals. It also plays a key role in regulating the Earth's climate, as the permafrost stores large amounts of carbon that would otherwise be released into the atmosphere.

Conclusion: In summary, the second region mentioned in the question extends over the tundra region of Eurasia, which is an important part of the global ecosystem and plays a key role in regulating the Earth's climate.