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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
What happens to a star after the start of helium nuclear reactions in its core compared to what it was like before these reactions began?
A)   The star is larger and hotter.   C)   The star is smaller and hotter.
B)   The star is larger and cooler.   D)   The star is smaller and cooler.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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papachulopapachulo
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