Earth & Space
← Back

Science Bowl Question

📅 NSB Round Robin 2020🎓 HS🔄 Round 13#️⃣ Question 16🌟 BONUS📝 Multiple Choice

Most of the helium in the universe was created in which of the following?

W) The Big Bang
X) Supernovas
Y) Proton-proton chain in low-mass stars
Z) CNO cycle in high-mass stars
🚀

Take Your Prep to the Next Level

Practice with interactive modes, adaptive testing, and detailed stats on our main app.

Launch Interactive Practice