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← ScienceWhich mechanism causes electron capture in stellar nucleosynthesis?
A)Inverse beta decay✓
B)Alpha particle emission
C)Spontaneous fissioning
D)Pair production dominance
💡 Explanation
Inverse beta decay causes electron capture because an electron combines with a proton within a heavy nucleus, converting it to a neutron and a neutrino; therefore stability increases through neutron enrichment rather than via alternatives like fission in core collapse.
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