The Proton-Proton Chain Needs High Temperature Because

question 34

Multiple Choice

The proton-proton chain needs high temperature because

• A)of the ground state energy of the hydrogen atom.
• B)of the presence of helium atoms.
• C)the protons must overcome the Coulomb barrier.
• D)of the need for low density.
• E)the neutrinos carry more energy away than the reaction produces.

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