Trivia question of the day — Jan 13, 2026
Tuesday, January 13, 2026. Tap Show answer for the answer, explanation and source.
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
The oldest of it has been continuously frozen for around 700,000 years, and thawing lets microbes break down organic matter locked up since the ice ages.
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