3steps from the big bang
4things can go into it
N
nitrogen
FundamentalElement
Makes up 78% of the air you breathe. Plants need it to build proteins but can't take it from the air directly.
First appeared13.6 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Makes up 78% of the air you breathe. Plants need it to build proteins but can't take it from the air directly.
From the big bang to nitrogen
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
star13.6 bn yrs ago
Nnitrogen13.6 bn yrs ago