+Nitrogen is a [chemical element](/wiki/chemical-element) that silently fills about 78% of Earth's atmosphere. This colorless, odorless gas is fundamental for all [life](/wiki/life), a crucial component of proteins and genetic material.
+## See also
+- [Atmosphere](/wiki/atmosphere)
+- [Protein](/wiki/protein)
+- [DNA](/wiki/DNA)
... 1 more lines