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Science Bowl Question

📅 NSB 2014🎓 HS🔄 Round 13#️⃣ Q4❓ TOSS-UP📝 Multiple Choice

An antihydrogen atom is made of what two components?

W) An antiproton and a positron
X) An antiproton and an electron
Y) A proton and a positron
Z) A proton and a neutrino
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