Which of the following substances is not recycled in an ecosystem? by Sunday | May 14 | Biology WAEC | 0 comments A. Carbon B. Energy C. Water D. Nitrogen Correct Answer: Option B B. Energy Users Also Read These:Which of the following pollutants is not usually recycled?Which of the following substances when lost from the…Which of the following substances does not have van…Sea water taken in by a living organism can be…The substances recycled in the soil by the…