DAT 🔥 DAT Question of the Day! DAT Destroyer by Dr. Jim Romano

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🔥 DAT Question of the Day!
Can you identify a key feature of Earth’s early reducing atmosphere?
Hint: It’s all about the absence of oxygen and the presence of reducing gases like hydrogen and carbon monoxide.

🌍 These early atmospheric conditions played a crucial role in the origin of life and you’ll need to know them cold for Bio on the DAT!

✅ Correct Answer: (C) Low concentration of free oxygen (O₂)
🧠 Explained in full with Dr. Romano’s breakdown inside the 2025 DAT Destroyer.

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