Biology 0610 · IGCSE · Nutrient cycles

Nutrient cycles — practice question

In the nitrogen cycle, which process returns nitrogen gas to the atmosphere?

  • Adecomposition
  • Bdenitrification
  • Cnitrification
  • Dnitrogen fixation

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI