What is the main product of the light-dependent reactions of photosynthesis?

What is the main product of the light-dependent reactions of photosynthesis?

Correct Answer: Oxygen

Step 1: Understand that photosynthesis happens in plants and involves two main stages: light-dependent reactions and light-independent reactions.
Step 2: Focus on the light-dependent reactions, which occur in the thylakoid membranes of chloroplasts.
Step 3: Know that these reactions require sunlight to take place.
Step 4: Realize that during these reactions, water (H2O) is split to capture energy from sunlight.
Step 5: Understand that when water is split, oxygen (O2) is produced as a byproduct.
Step 6: Conclude that the main product of the light-dependent reactions is oxygen, which is released into the atmosphere.

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