Which sphere includes frozen water such as permafrost?

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Multiple Choice

Which sphere includes frozen water such as permafrost?

Explanation:
Spheres categorize Earth's components by what they contain. Frozen water such as permafrost belongs to the cryosphere, which includes all frozen water—ice, snow, glaciers, and ground that stays frozen for long periods. Permafrost is ground that remains below freezing for at least two consecutive years, so it’s frozen water stored in soil and rock. That’s why this is the best answer. The biosphere involves living organisms, the geosphere covers rocks and landforms, and the hydrosphere focuses on liquid water and water in other non-frozen forms.

Spheres categorize Earth's components by what they contain. Frozen water such as permafrost belongs to the cryosphere, which includes all frozen water—ice, snow, glaciers, and ground that stays frozen for long periods. Permafrost is ground that remains below freezing for at least two consecutive years, so it’s frozen water stored in soil and rock. That’s why this is the best answer. The biosphere involves living organisms, the geosphere covers rocks and landforms, and the hydrosphere focuses on liquid water and water in other non-frozen forms.

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