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Science Bowl Question

📅 NSB Regional 2007🎓 HS🔄 Round 15#️⃣ Question 7🌟 BONUS📝 Multiple Choice

Which of the following is the BEST description of the composition of our Sun:

W) 71% hydrogen, 27% helium, and 2% other
X) 80% hydrogen, 19% helium, and 1% other
Y) 90% hydrogen, 9% helium, and 1% other
Z) 99% hydrogen, 1% helium
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