Biology
Biology, 27.05.2020 20:08, tddreviews

What happens first when a star begins to run out of fuel?
The star's core shrinks.
The star becomes a black hole.
The star becomes a white dwarf.
The star's outer layer drifts away.

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What happens first when a star begins to run out of fuel?
The star's core shrinks.
The s...

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