Oxygen comprises about 47% by weight of Earth's crust
12
97%
45 percent of the earths oxygen is produced by our oceans
The Sun's photosphere comprises 0.77% oxygen by mass but is mostly hydrogen (73.5%).
if this is math and your asking what gas has a percent by volume 78.09 it is nitrogen
oxygen
The Earth's grass produce 20 to 30 percent oxygen. The other 70 to 80 percent of oxygen is produced by marine plants.
1/120 or about 0.8%.
Oxygen.
Oxygen (O2)
The air you breathe comprises three main gases. The largest proportion (79%) comprises the inert gas nitrogen, with oxygen making up 21 percent and carbon dioxide just 0.03 percent
Oxygen Silicon Sodium Potassium Magnesium Iron