A water Plant placed in a bright light gives of bubbles of oxygen in the laboratory you notice that if the light is placed at different distances from the Plant the rate at which the plant produces bubbles changes your data are shown in the following table

I'm not sure about the answer since I can't see the chart.

Explanation:

They might just as well have been bubbles of nitrogen or carbon dioxide, or some other gas from some other process that was occurring in the plants instead of photosynthesis. Nevertheless, since the plants were exposed to light, the bubbles were most likely made of oxygen.

-hope it helps!♡

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."