Am pretty sure C or A but I think C
Answer:
B
Explanation:
The closer the light source the higher the amount of Oxygen gas.
Reasoning: Plants give off oxygen and according to the data the closer the light it the more bubbles there are. :)
Loljzjsjshjsjshsusjjshsjs
If you're asking what 'controls' the cell, then that would be the nucleus. The king of the cell.
