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Type: Multiple-Choice
Category: Biogeochemical Cycles
Level: Grade 9
Author: swiftadam81
Last Modified: a month ago

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Biogeochemical Cycles Question

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Grade 9 Biogeochemical Cycles

Which nutrient cycle needs a nutrient to be fixed prior to use by producers and consumers?
  1. water
  2. carbon
  3. nitrogen
  4. phosphorus
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