If they did not communicate then there wouldn't be a logical explanation for the experiment ..
type answers below ..
Photosynthesis gives out oxygen and takes in carbon dioxide
Aerobic respiration uses the oxygen and gives out carbon dioxide
-Making a cycle
(Without the respiration the cell would die which would stop photosynthesis)
Hope this helps!!
Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere
Answer:
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