Nutrients lost by trees in leaf-fall can be re-used by the trees because the?

Nutrients lost by trees in leaf-fall can be re-used by the trees because the?
  • A.
    trees are renewable resources
  • B.
    nutrients circulate in the ecosystem
  • C.
    nutrients are inexhaustible
  • D.
    trees store nutrients
Correct Answer: Option B
Explanation
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