Atomic Mass unit
By volume, water makes up about 90% of plasma.
The ratio of nitrogen to oxygen in Earth's atmosphere is approximately 4:1. This means that nitrogen makes up about 78% and oxygen makes up about 21% of the gases in the air.
21%
Oxygen makes up approximately 21% of the air we breathe.
There is approximately 21 % oxygen in our air.
Nitrogen makes up approximately 78% of Earth's atmosphere.
CO2 makes up approximately 0.03% of Earth's atmosphere
oxygen
Water makes up approximately 70% of Earth's surface.
By volume, water makes up about 90% of plasma.
Oxygen makes up approximately one-fifth of Earth's atmosphere.
80%
nitrogen at approximately 78%
Oxygen
Canada makes up approximately 0.5% of the global population.
Carbon dioxide (CO2) makes up approximately 0.04% of Earth's atmosphere.
That is approximately 0.022 of a cup