3 years ago

Where do elements come from?

1 answer:

6 0

When the universe was 3 minutes old, it had cooled enough for these protons and neutrons to combine into nuclei. This is known as the time of nucleosynthesis. Hydrogen, helium, lithium, and beryllium were produced. Today, about 90% of the universe is still hydrogen. Your Welcome :)

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saul85 [17]

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Hello there!

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