Q:
Biogeochemical cycles are crucial to ecosystem function because
Answer & Explanation
Answer: D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
Explanation: Biogeochemical cycles are crucial to ecosystem function because ::
1. Chemical elements are available in only limited amounts and must be recycled.
2. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled.
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