Answer: Oxygen
Explanation: Oxygen is the gaseous by product of photosynthesis.
Carbon dioxide + water + energy from light produces glucose and oxygen.
Sunlight energy.
6CO2 + 6H2O ------> C6H12O6 + 6O2
the excess oxygen they produced during photosynthesis is contributed directly to the oxygenation of the Earth.
It is called a terminal moraine.
Hope that helped you.
Answer:
Plants.
Explanation:
Note: I may be wrong, if so, i am deeply sorry<3
