Is this statement true or false? permafrost is melting across the northern hemisphere, altering ecosystems and damaging roads and buildings across russia.

True

Explanation: Permafrost is a permanent condition in which the ground remains frozen for at least a period of 2 years at a temperature of 0°C or -32°F. This condition is common in mountainous region and areas with high latitude around the North and south poles. Permafrost covers a large area of land in the Northern hemisphere about a quarter of the land area. Permafrost is just a combination of rocks, sand and soil compacted by ice.

the menu would be considered a problem for students who have food allergies.

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explanation: