Which statement correctly describes the diagram?

The correct answer is B. Photosynthesis and cellular respiration are involved in carbon and oxygen cycle.

Explanation:

Photosynthesis is the process by which plants make their food in the form of glucose from CO₂ and H₂O by the help of chlorophyll in the presence of sunlight. Plants release oxygen as a by-product which is taken by other organisms thus completes the oxygen cycle.

Respiration is the process in which oxygen is taken in the body by animals and plants and release in the form of CO₂ in the environment. This CO₂ is again taken by plants for photosynthesis which complete the carbon cycle.

Therefore, the correct answer is B. Photosynthesis and cellular respiration are involved in carbon and oxygen cycle.

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