Why Does the Proton-Proton Chain Need High Temperatures

question 5

Multiple Choice

Why does the proton-proton chain need high temperatures?

• A)High temperatures increase the ground state energy of the hydrogen atom.
• B)High temperatures increase the velocity of the protons so they can overcome the Coulomb barrier.
• C)High temperatures lower the density of the gas.
• D)High temperatures allow the neutrinos to carry more energy away than the reaction produces.

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