Which process removes carbon dioxide from the air?

  1. Respiration
  2. Decomposition
  3. Combustion
  4. Photosynthesis
Answer

D) Photosynthesis

Plants absorb CO₂ in photosynthesis. 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