If the sun produces energy by the proton-proton chain,then the center of the sun must have a temperature of at least A) 10⁴ K B) 10⁷ K C) 10¹⁰ K D) 10¹³ K E) 10¹⁶ K

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The proton-proton chain reaction, which is the dominant energy source in the Sun, requires a temperature of at least 10^7 K (10 million Kelvin) to overcome the electrostatic repulsion between protons.

If the Sun Produces Energy by the Proton-Proton Chain,then the Center