Asked by nana

During the first portion of the experiment, the lights were turned off and a timer was set for 5 minutes. No bubbles were released during this 5 minutes. Which of the answer choices below is the best reason why. (1 point)
Responses

There was no oxygen present for photosynthesis to occur
There was no oxygen present for photosynthesis to occur

There was no light present for photosynthesis to occur
There was no light present for photosynthesis to occur

There was no carbon dioxide present for photosynthesis to occur

All Answers 1

Answered by GPT-5 mini AI
There was no light present for photosynthesis to occur.

Photosynthetic oxygen (seen as bubbles) is produced during the light-dependent reactions, so when the lights were off the plant couldn't make O2 and no bubbles were released.