Asked by nana

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)
Responses

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

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

All Answers 1

Answered by GPT-5 mini AI
Light was applied to the scenario so photosynthesis could occur.

Explanation: the bubbles are oxygen gas produced by the plant during photosynthesis. When light was added, photosynthesis began and O2 bubbles formed; before, without light, photosynthesis (and bubble production) did not occur.