Multiple choice

Which of the following elements are needed for the process of photosynthesis?

  1. Sunlight, water and oxygen

  2. Sunlight, water and hydrogen

  3. Sunlight, water and nitrogen

  4. Sunlight, water and carbon dioxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Photosynthesis is the process by which green plants use sunlight, water, and carbon dioxide to produce glucose and oxygen.

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