Physics
Physics, 25.05.2021 23:00, allytrujillo20oy0dib

After the big bang started the universe 13.78 billion years ago, the universe began to rapidly expand. This rapid expansion caused the universe to cool down into a network of gaseous clouds composed mainly of which element?
O Oxygen
Hydrogen
O Neon
O Carbon

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After the big bang started the universe 13.78 billion years ago, the universe began to rapidly expan...

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