I believe the answer is carbon dioxide.
Oxygen is given off as a by-product os photosynthesis
It is utilized in photosynthesis. CO2 is released in respiration
Oxygen
Oxygen.
PHOTOSYNTHESIS
Oxygen.
O2(oxygen)
No. Carbon dioxide is used for photosynthesis. The general equation for photosynthesis is C02 + H20 = Glucose and 02. Carbon dioxide is given off during respiration instead.
Oxygen is given of
The gas given off by photosynthesis is oxygen, plants take in carbon dioxide and generate it into oxygen.
Photosynthesis.
Oxygen (O2)