Which process returns carbon to the air from fossil fuels?

  1. Fossilisation
  2. Photosynthesis
  3. Combustion
  4. Feeding
Answer

C) Combustion

Burning releases CO₂. O Level Biology · Topic 19 Relationships of Organisms with One Another and with the Environment · 19.2 Nutrient cycles

Biology MCQ · More O Level Biology: Organisms and the Environment MCQs · Practise