Question on: JAMB Biology - 2024


Which of the following processes releases oxygen to the atmosphere?

A
Respiration
B
Combustion
C
Decomposition
D
photosynthesis
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Correct Option: D

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create their own food (glucose) and, as a byproduct, release oxygen into the atmosphere. The other options do not release oxygen. Respiration uses oxygen, combustion uses oxygen and decomposition generally does not involve oxygen release.

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