Select the accurate description of Oxygen.
- A. The chemical element with the symbol O that is essential for human respiration ✓
- B. The gas absorbed by plants during photosynthesis and released by humans during respiration
- C. The process by which green plants use sunlight to convert carbon dioxide and water into food
- D. The chemical compound made of two hydrogen atoms and one oxygen atom
Correct answer
A. The chemical element with the symbol O that is essential for human respiration
Explanation
'Oxygen' refers to the chemical element with the symbol O that is essential for human respiration.