3steps from the big bang
9things can go into it
seawater
NaturalMineral
About 3.5% salt. Spread over the land, the ocean's salt would make a layer more than 160 metres thick.
First appeared4.4 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Goes into
About 3.5% salt. Spread over the land, the ocean's salt would make a layer more than 160 metres thick.
From the big bang to seawater
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
water4.4 bn yrs ago
seawater4.4 bn yrs ago