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hermiz hermiz
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7 years ago
Stars spend most of their lives
A) fusing hydrogen into helium in their cores
B) slowly dimming as they die with no fusion occurring in their cores
C) as slowly brightening protostars
D) fusing helium into carbon in their cores
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
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1 Reply
Life in the Universe, 4/E (Bennett, Shostak)
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19Clyde19Clyde
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7 years ago
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hermiz Author
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7 years ago
Just got PERFECT on my quiz
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Correct Slight Smile TY
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2 hours ago
You make an excellent tutor!
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