Light from lamp (1.5 meters)
Oxygen gas
Oxygen bubbles
Water and
sodium
bicarbonate
Plants
The picture shows a student's experiment with Elodea, a common aquatic
plant. Which change in this experiment is most likely to increase the volume
of oxygen gas that accumulates in the top of the tube?

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community