Physics
Physics, 01.12.2021 01:10, jlperez77

Think Deeper: If stars, and most of the universe, are composed primarily of hydrogen and hellum, then why are all living things on Earth composed primarily of Carbon, Nitrogen, Hydrogen, and Oxygen? Where does this material come from?

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Think Deeper: If stars, and most of the universe, are composed primarily of hydrogen and hellum, the...

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