Physics, 04.08.2021 17:20 CoreyHammond74901
The Big Bang theory states that a. temperatures had to remain above 1 billion degrees in order for atoms to form. b. nebulae condensed and heated to become spinning accretionary disks, then protostars, then stars. c. the process of atom creation, termed Big Bang nucleosynthesis, produced all known natural elements. d. the Earth formed 4.5 billion years ago by the accretion of several small planetesimals.
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