The earths atmosphere is made up of 78% nitrogen and 21% oxygen
The core is 33% of the Earths mass
The mantle.
A: glass and rare earths
30layers
yes, it is
nitrogen and oxygen
Water 75%
nitrogen and oxygen
no
The earths crust
Nitrogen has made up the largest portion of Earth's atmosphere for most of Earth's history. It currently makes up about 78% of the atmosphere.