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Direct linkMattox, Stephen R.; Duda, Stephanie – Science Teacher, 2022
Permafrost is any soil or surface deposit in an Arctic or alpine region at some depth below the surface at which the temperature has remained below zero degrees Celsius (32 degrees Fahrenheit) continuously for a long period of time. The amount of carbon dioxide and methane stored in permafrost is nearly twice the amount in the atmosphere and, as…
Descriptors: Models, Scientific Concepts, Earth Science, Science Activities
