What happens to the atoms in a star as it goes through its life?
A. The atoms at the beginning of a star's life are the same as at the end of its life.
B. Atoms spontaneously combust.
C. Big atoms split apart to make smaller atoms.
D. Simple atoms of lighter elements combine (fuse) to make bigger atoms of heavier elements
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What happens to the atoms in a star as it goes through its life?
A. The atoms at the beginning of a...
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