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Practice Speaking: Read Aloud ID: #51839 Long Permafrost
Instructions
Permafrost is ground that is frozen year-round. In Arctic, ice-rich permafrost soils can be up to 260 feet thick. Due to human-caused warming of the atmosphere from greenhouse gas emissions, a steady thawing of the permafrost is currently taking place where the upper layer of seasonally thawed soil is gradually getting thicker and reaching deeper into ground.

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