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These bubbles can be counted and the rate of bubbling can serve as an indication of the rate of photosynthesis. When the light intensity is increased, the rate of bubble production should increase. ... The rate of photosynthesis should decrease and therefore the amount of oxygen bubbles should decrease.

A low number of oxygen bubbles indicates the rate of photosynthesis.

What is Photosynthesis?

This is the process in which green plants manufacture their food. Carbon dioxide is used up and oxygen is given off during this process.

The bubbles means oxygen is present which translates to a low number of bubbles depicting a decrease in photosynthetic activity and vice versa.

Read more about Photosynthesis here https://brainly.com/question/19160081