The process is very well-known in Biology called the Photosynthesis. It plays an role in plants because plants get it energy from sun.
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
97%
no
Free oxygen
Oxygen gas
Plants
oxygen
mostly nitrogen with 21% oxygen
no
Nitrogen and oxygen,
photosynthsis
The earths atmosphere is made up of 78% nitrogen and 21% oxygen