During the second part of the experiment you can see bubbles begin to appear when they didn't before. Which of the answer choices below is the best reason why?(1 point)

Question

Responses

Oxygen was present in the water when it wasn't before
Oxygen was present in the water when it wasn't before

Light was applied to the scenario so photosynthesis could occur
Light was applied to the scenario so photosynthesis could occur

Carbon dioxide was present in the water when it wasn't before

Answer 1

The best reason why bubbles began to appear during the second part of the experiment is:

Light was applied to the scenario so photosynthesis could occur.

Bubbles are typically produced as a byproduct of photosynthesis, where oxygen is released from plants or algae when they convert carbon dioxide and water into glucose and oxygen using light energy.