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← ScienceWhich outcome results when stellar core hydrogen feedstock is locally depleted?
A)Increased core temperature and contraction✓
B)Decreased radiation pressure suspends fusion
C)Helium fusion prematurely begins uniformly
D)Suppressed CNO cycle causes core cooling
💡 Explanation
Increased core temperature and contraction occurs because depleted hydrogen fuel causes reduced outward radiation pressure; therefore gravitational collapse compresses and heats matter to ignite helium fusion, rather than the fusion stopping entirely under these extreme conditions.
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