Arctic tundra soil often stays frozen all year round. That permanently frozen ground is called:
APermutation
BPermittivity
CPermafrost
DPermanganate
Answer & Solution
Correct answer: C. Permafrost
1. The freeze persists through every season.
2. Roots cannot push through it and decay slows to a crawl.
3. That ground is permafrost.
_Source: OpenStax Concepts of Biology, Chapter 20, Ecosystems and the Biosphere._
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