About 60% of our oxygen is produced by phytoplakton.
Pine trees produce approximately 260 pounds of oxygen per year.
bactirea and tiny shrimp
35 percent
About 20%
The Amazon produces up to 25 - 30% of the world's oxygen.
Grass produces about half of the oxygen we breathe in a day.
depends on how big the tree is the bigger the more oxygen it produces.
The percentage of oxygen in water, vapors or ice is the same.
There are very few plants in the Atacama so it produces next to no oxygen.
Grass produces about half of the world's oxygen through photosynthesis.
Depends on how much i guess, but...magnesium oxide?
A mature cherry tree can produce around 200 pounds of oxygen per year, which is enough to sustain two adult humans.