Trivia question of the day — Jan 13, 2026
Tuesday, January 13, 2026. Tap Show answer for the answer, explanation and source.
QUESTION OF THE DAYTUE 13 JAN
DIFFICULTY 33 · MEDIUMIMPACTS OF CLIMATE CHANGE
What term describes ground frozen for at least two consecutive years, which releases carbon as it thaws?
- Tundra
- Glacier
- Ice Sheet
- Permafrost
Show answer
D. Permafrost
Permafrost is ground that stays at or below 0 °C for at least two consecutive years; the oldest known permafrost has been frozen around 700,000 years, and thawing lets microbes release carbon locked up since the ice ages.
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