They are recycle within the ecosystem being constantly reused ( B ) is the true statement
The energy from the sun is use in the formation of nutrients in plants that is consumed by the primary consumers ( Herbivores ) in the ecosystem, while the primary consumers will be consumed by the secondary consumers ( carnivores ). these waste product from the secondary consumers is decomposed by the tertiary consumers ( Fungi and bacteria ) to be reused by the Plants again.
Hence we can conclude that the true statement about the chemical elements in the eco system is that they recycle within the ecosystem being constantly reused.
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