cchsemily6828 cchsemily6828
  • 09-12-2022
  • Physics
contestada

Red giant stars are
a. close to exhausting their supply of hydrogen. b. have already exhausted their supply of helium. c. are close to exhausting their supply of helium. d. have already exhausted their supply of hydrogen.
a. close to exhausting their supply of hydrogen.

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