Consider a Sun-like star that has been fusing hydrogen for 5 billion years. Which of the following best describes the distribution of hydrogen and helium in the star?
W) The core is mostly hydrogen, with helium primarily on the surface of the star
X) The core is mostly helium, with little hydrogen elsewhere in the star
Y) The core is mostly helium and the percentage of the star that is hydrogen rises with increasing distance from the core
Z) The star is entirely hydrogen
✔️Answer:Y) THE CORE IS MOSTLY HELIUM AND THE PERCENTAGE OF THE STAR THAT IS HYDROGEN RISES WITH INCREASING DISTANCE FROM THE CORE
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