Their work returns mineral nutrients to circulation. Those nutrients are said to be:
ACycled round
BCancelled out
CCompressed
DConcealed
Answer & Solution
Correct answer: A. Cycled round
1. Nutrients are not created afresh for each generation.
2. They pass from living things to the non-living world and back.
3. They are cycled round the biosphere.
_Source: OpenStax Concepts of Biology, Chapter 20, Ecosystems and the Biosphere._
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