When photosynthiesis occures...it releases oxygen into the air
Oxygen is in the air.
No, there is 21% oxygen in air.
in our air is there mostly oxygen
Dyr air is about 21% oxygen.
There is oxygen,air,and carbon dioxide
Uh...sorry to break it to you, but oxygen is air.
About 21% of inspired air is oxygen.
Room air is about 21% oxygen.
Approximately 21% of the air we breath is oxygen.
Roughly about 21% of air is oxygen.
Air is approximately 20% Oxygen.
Oxygen can not burn in air.