The second-most-important fusion reaction {carbon-nitrogen cycle} makes helium starting from protons and carbon. Carbon acts like catalyst to make lithium, beryllium, and boron, which combine or decay to helium. Carbon-nitrogen cycle is not chain reaction.
Physical Sciences>Physics>Matter>Atom>Reactions>Nuclear Fusion
5-Physics-Matter-Atom-Reactions-Nuclear Fusion
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Date Modified: 2022.0224