Question

Substances in the ecosystem are recycled by the _________.​

Answer 1

The answer is nitrogen hope this helps

Answer 2

nitrogen

Step-by-step explanation:

Unlike energy, elements are not lost and replaced as they pass through ecosystems. Instead, they are recycled repeatedly. All chemical elements that are needed by living things are recycled in ecosystems, including carbon, nitrogen, hydrogen, oxygen, phosphorus, and sulfur.